Optimize BoostAODE -> XBAODE #33
4
Makefile
4
Makefile
@@ -97,7 +97,7 @@ fname = "tests/data/iris.arff"
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sample: ## Build sample
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sample: ## Build sample
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@echo ">>> Building Sample...";
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@echo ">>> Building Sample...";
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@if [ -d ./sample/build ]; then rm -rf ./sample/build; fi
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@if [ -d ./sample/build ]; then rm -rf ./sample/build; fi
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@cd sample && cmake -B build -S . && cmake --build build -t bayesnet_sample
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@cd sample && cmake -B build -S . -D CMAKE_BUILD_TYPE=Debug && cmake --build build -t bayesnet_sample
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sample/build/bayesnet_sample $(fname)
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sample/build/bayesnet_sample $(fname)
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@echo ">>> Done";
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@echo ">>> Done";
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@@ -105,7 +105,7 @@ fname = "tests/data/iris.arff"
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sample2: ## Build sample2
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sample2: ## Build sample2
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@echo ">>> Building Sample...";
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@echo ">>> Building Sample...";
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@if [ -d ./sample/build ]; then rm -rf ./sample/build; fi
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@if [ -d ./sample/build ]; then rm -rf ./sample/build; fi
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@cd sample && cmake -B build -S . && cmake --build build -t bayesnet_sample_xspode
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@cd sample && cmake -B build -S . -D CMAKE_BUILD_TYPE=Debug && cmake --build build -t bayesnet_sample_xspode
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sample/build/bayesnet_sample_xspode $(fname)
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sample/build/bayesnet_sample_xspode $(fname)
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@echo ">>> Done";
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@echo ">>> Done";
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@@ -3,15 +3,14 @@
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// SPDX-FileType: SOURCE
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// SPDX-FileType: SOURCE
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// SPDX-License-Identifier: MIT
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// SPDX-License-Identifier: MIT
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// ***************************************************************
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// ***************************************************************
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#include <limits>
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#include <algorithm>
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#include <numeric>
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#include <cmath>
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#include <stdexcept>
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#include <sstream>
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#include "XSPODE.h"
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#include "XSPODE.h"
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#include "bayesnet/utils/TensorUtils.h"
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#include "bayesnet/utils/TensorUtils.h"
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#include <algorithm>
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#include <cmath>
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#include <limits>
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#include <numeric>
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#include <sstream>
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#include <stdexcept>
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namespace bayesnet {
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namespace bayesnet {
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@@ -19,12 +18,9 @@ namespace bayesnet {
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// Constructor
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// Constructor
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// --------------------------------------
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// --------------------------------------
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XSpode::XSpode(int spIndex)
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XSpode::XSpode(int spIndex)
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: superParent_{ spIndex },
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: superParent_{ spIndex }, nFeatures_{ 0 }, statesClass_{ 0 }, alpha_{ 1.0 },
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nFeatures_{ 0 },
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initializer_{ 1.0 }, semaphore_{ CountingSemaphore::getInstance() },
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statesClass_{ 0 },
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Classifier(Network())
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alpha_{ 1.0 },
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initializer_{ 1.0 },
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semaphore_{ CountingSemaphore::getInstance() }, Classifier(Network())
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{
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{
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validHyperparameters = { "parent" };
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validHyperparameters = { "parent" };
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}
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}
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@@ -39,10 +35,12 @@ namespace bayesnet {
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Classifier::setHyperparameters(hyperparameters);
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Classifier::setHyperparameters(hyperparameters);
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}
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}
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void XSpode::fit(std::vector<std::vector<int>>& X, std::vector<int>& y, torch::Tensor& weights_, const Smoothing_t smoothing)
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void XSpode::fit(torch::Tensor & X, torch::Tensor& y, torch::Tensor& weights_, const Smoothing_t smoothing)
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{
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{
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m = X[0].size();
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m = X.size(1);
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n = X.size();
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n = X.size(0);
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dataset = X;
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buildDataset(y);
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buildModel(weights_);
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buildModel(weights_);
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trainModel(weights_, smoothing);
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trainModel(weights_, smoothing);
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fitted = true;
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fitted = true;
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@@ -51,7 +49,8 @@ namespace bayesnet {
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// --------------------------------------
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// --------------------------------------
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// trainModel
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// trainModel
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// --------------------------------------
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// --------------------------------------
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// Initialize storage needed for the super-parent and child features counts and probs.
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// Initialize storage needed for the super-parent and child features counts and
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// probs.
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// --------------------------------------
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// --------------------------------------
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void XSpode::buildModel(const torch::Tensor& weights)
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void XSpode::buildModel(const torch::Tensor& weights)
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{
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{
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@@ -60,12 +59,13 @@ namespace bayesnet {
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// Derive the number of states for each feature and for the class.
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// Derive the number of states for each feature and for the class.
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// (This is just one approach; adapt to match your environment.)
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// (This is just one approach; adapt to match your environment.)
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// Here, we assume the user also gave us the total #states per feature in e.g. statesMap.
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// Here, we assume the user also gave us the total #states per feature in e.g.
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// We'll simply reconstruct the integer states_ array. The last entry is statesClass_.
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// statesMap. We'll simply reconstruct the integer states_ array. The last
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// entry is statesClass_.
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states_.resize(nFeatures_);
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states_.resize(nFeatures_);
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for (int f = 0; f < nFeatures_; f++) {
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for (int f = 0; f < nFeatures_; f++) {
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// Suppose you look up in “statesMap” by the feature name, or read directly from X.
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// Suppose you look up in “statesMap” by the feature name, or read directly
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// We'll assume states_[f] = max value in X[f] + 1.
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// from X. We'll assume states_[f] = max value in X[f] + 1.
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states_[f] = dataset[f].max().item<int>() + 1;
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states_[f] = dataset[f].max().item<int>() + 1;
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}
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}
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// For the class: states_.back() = max(y)+1
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// For the class: states_.back() = max(y)+1
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@@ -77,15 +77,18 @@ namespace bayesnet {
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// We'll store these counts in spFeatureCounts_[spVal * statesClass_ + c].
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// We'll store these counts in spFeatureCounts_[spVal * statesClass_ + c].
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spFeatureCounts_.resize(states_[superParent_] * statesClass_, 0.0);
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spFeatureCounts_.resize(states_[superParent_] * statesClass_, 0.0);
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// For each child ≠ sp, we store p(childVal| c, spVal) in a separate block of childCounts_.
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// For each child ≠ sp, we store p(childVal| c, spVal) in a separate block of
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// childCounts_ will be sized as sum_{child≠sp} (states_[child] * statesClass_ * states_[sp]).
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// childCounts_. childCounts_ will be sized as sum_{child≠sp} (states_[child]
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// We also need an offset for each child to index into childCounts_.
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// * statesClass_ * states_[sp]). We also need an offset for each child to
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// index into childCounts_.
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childOffsets_.resize(nFeatures_, -1);
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childOffsets_.resize(nFeatures_, -1);
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int totalSize = 0;
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int totalSize = 0;
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for (int f = 0; f < nFeatures_; f++) {
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for (int f = 0; f < nFeatures_; f++) {
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if (f == superParent_) continue; // skip sp
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if (f == superParent_)
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continue; // skip sp
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childOffsets_[f] = totalSize;
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childOffsets_[f] = totalSize;
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// block size for this child's counts: states_[f] * statesClass_ * states_[superParent_]
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// block size for this child's counts: states_[f] * statesClass_ *
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// states_[superParent_]
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totalSize += (states_[f] * statesClass_ * states_[superParent_]);
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totalSize += (states_[f] * statesClass_ * states_[superParent_]);
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}
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}
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childCounts_.resize(totalSize, 0.0);
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childCounts_.resize(totalSize, 0.0);
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@@ -99,7 +102,8 @@ namespace bayesnet {
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// p(x_child| c, x_sp) for all child ≠ sp
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// p(x_child| c, x_sp) for all child ≠ sp
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//
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//
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// --------------------------------------
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// --------------------------------------
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void XSpode::trainModel(const torch::Tensor& weights, const bayesnet::Smoothing_t smoothing)
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void XSpode::trainModel(const torch::Tensor& weights,
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const bayesnet::Smoothing_t smoothing)
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{
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{
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// Accumulate raw counts
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// Accumulate raw counts
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for (int i = 0; i < m; i++) {
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for (int i = 0; i < m; i++) {
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@@ -120,7 +124,8 @@ namespace bayesnet {
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default:
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default:
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alpha_ = 0.0; // No smoothing
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alpha_ = 0.0; // No smoothing
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}
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}
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initializer_ = std::numeric_limits<double>::max() / (nFeatures_ * nFeatures_); // for numerical stability
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initializer_ = std::numeric_limits<double>::max() /
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(nFeatures_ * nFeatures_); // for numerical stability
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// Convert raw counts to probabilities
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// Convert raw counts to probabilities
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computeProbabilities();
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computeProbabilities();
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}
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}
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@@ -134,7 +139,8 @@ namespace bayesnet {
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//
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//
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void XSpode::addSample(const std::vector<int>& instance, double weight)
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void XSpode::addSample(const std::vector<int>& instance, double weight)
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{
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{
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if (weight <= 0.0) return;
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if (weight <= 0.0)
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return;
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int c = instance.back();
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int c = instance.back();
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// (A) increment classCounts
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// (A) increment classCounts
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@@ -146,7 +152,8 @@ namespace bayesnet {
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// (C) increment child counts => p(childVal | c, x_sp)
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// (C) increment child counts => p(childVal | c, x_sp)
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for (int f = 0; f < nFeatures_; f++) {
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for (int f = 0; f < nFeatures_; f++) {
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if (f == superParent_) continue;
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if (f == superParent_)
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continue;
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int childVal = instance[f];
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int childVal = instance[f];
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int offset = childOffsets_[f];
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int offset = childOffsets_[f];
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// Compute index in childCounts_.
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// Compute index in childCounts_.
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@@ -169,7 +176,8 @@ namespace bayesnet {
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// --------------------------------------
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// --------------------------------------
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void XSpode::computeProbabilities()
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void XSpode::computeProbabilities()
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{
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{
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double totalCount = std::accumulate(classCounts_.begin(), classCounts_.end(), 0.0);
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double totalCount =
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std::accumulate(classCounts_.begin(), classCounts_.end(), 0.0);
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// p(c) => classPriors_
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// p(c) => classPriors_
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classPriors_.resize(statesClass_, 0.0);
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classPriors_.resize(statesClass_, 0.0);
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@@ -181,14 +189,15 @@ namespace bayesnet {
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}
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}
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} else {
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} else {
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for (int c = 0; c < statesClass_; c++) {
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for (int c = 0; c < statesClass_; c++) {
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classPriors_[c] = (classCounts_[c] + alpha_)
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classPriors_[c] =
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/ (totalCount + alpha_ * statesClass_);
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(classCounts_[c] + alpha_) / (totalCount + alpha_ * statesClass_);
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}
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}
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}
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}
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// p(x_sp | c)
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// p(x_sp | c)
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spFeatureProbs_.resize(spFeatureCounts_.size());
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spFeatureProbs_.resize(spFeatureCounts_.size());
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// denominator for spVal * statesClass_ + c is just classCounts_[c] + alpha_ * (#states of sp)
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// denominator for spVal * statesClass_ + c is just classCounts_[c] + alpha_ *
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// (#states of sp)
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int spCard = states_[superParent_];
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int spCard = states_[superParent_];
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for (int spVal = 0; spVal < spCard; spVal++) {
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for (int spVal = 0; spVal < spCard; spVal++) {
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for (int c = 0; c < statesClass_; c++) {
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for (int c = 0; c < statesClass_; c++) {
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@@ -201,7 +210,8 @@ namespace bayesnet {
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// p(x_child | c, x_sp)
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// p(x_child | c, x_sp)
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childProbs_.resize(childCounts_.size());
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childProbs_.resize(childCounts_.size());
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for (int f = 0; f < nFeatures_; f++) {
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for (int f = 0; f < nFeatures_; f++) {
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if (f == superParent_) continue;
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if (f == superParent_)
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continue;
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int offset = childOffsets_[f];
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int offset = childOffsets_[f];
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int childCard = states_[f];
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int childCard = states_[f];
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@@ -209,14 +219,14 @@ namespace bayesnet {
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for (int spVal = 0; spVal < spCard; spVal++) {
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for (int spVal = 0; spVal < spCard; spVal++) {
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for (int childVal = 0; childVal < childCard; childVal++) {
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for (int childVal = 0; childVal < childCard; childVal++) {
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for (int c = 0; c < statesClass_; c++) {
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for (int c = 0; c < statesClass_; c++) {
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int idx = offset + spVal * (childCard * statesClass_)
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int idx = offset + spVal * (childCard * statesClass_) +
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+ childVal * statesClass_
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childVal * statesClass_ + c;
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+ c;
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double num = childCounts_[idx] + alpha_;
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double num = childCounts_[idx] + alpha_;
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// denominator = spFeatureCounts_[spVal * statesClass_ + c] + alpha_ * (#states of child)
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// denominator = spFeatureCounts_[spVal * statesClass_ + c] + alpha_ *
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double denom = spFeatureCounts_[spVal * statesClass_ + c]
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// (#states of child)
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+ alpha_ * childCard;
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double denom =
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spFeatureCounts_[spVal * statesClass_ + c] + alpha_ * childCard;
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childProbs_[idx] = (denom <= 0.0 ? 0.0 : num / denom);
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childProbs_[idx] = (denom <= 0.0 ? 0.0 : num / denom);
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}
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}
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}
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}
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@@ -248,11 +258,13 @@ namespace bayesnet {
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// Multiply by each child’s probability p(x_child | c, x_sp)
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// Multiply by each child’s probability p(x_child | c, x_sp)
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for (int feature = 0; feature < nFeatures_; feature++) {
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for (int feature = 0; feature < nFeatures_; feature++) {
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if (feature == superParent_) continue; // skip sp
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if (feature == superParent_)
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continue; // skip sp
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int sf = instance[feature];
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int sf = instance[feature];
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int offset = childOffsets_[feature];
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int offset = childOffsets_[feature];
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int childCard = states_[feature]; // not used directly, but for clarity
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int childCard = states_[feature]; // not used directly, but for clarity
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// Index into childProbs_ = offset + spVal*(childCard*statesClass_) + childVal*statesClass_ + c
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// Index into childProbs_ = offset + spVal*(childCard*statesClass_) +
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// childVal*statesClass_ + c
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int base = offset + spVal * (childCard * statesClass_) + sf * statesClass_;
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int base = offset + spVal * (childCard * statesClass_) + sf * statesClass_;
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for (int c = 0; c < statesClass_; c++) {
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for (int c = 0; c < statesClass_; c++) {
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probs[c] *= childProbs_[base + c];
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probs[c] *= childProbs_[base + c];
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@@ -267,12 +279,16 @@ namespace bayesnet {
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{
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{
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int test_size = test_data[0].size();
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int test_size = test_data[0].size();
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int sample_size = test_data.size();
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int sample_size = test_data.size();
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auto probabilities = std::vector<std::vector<double>>(test_size, std::vector<double>(statesClass_));
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auto probabilities = std::vector<std::vector<double>>(
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test_size, std::vector<double>(statesClass_));
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int chunk_size = std::min(150, int(test_size / semaphore_.getMaxCount()) + 1);
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int chunk_size = std::min(150, int(test_size / semaphore_.getMaxCount()) + 1);
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std::vector<std::thread> threads;
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std::vector<std::thread> threads;
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auto worker = [&](const std::vector<std::vector<int>>& samples, int begin, int chunk, int sample_size, std::vector<std::vector<double>>& predictions) {
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auto worker = [&](const std::vector<std::vector<int>>& samples, int begin,
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std::string threadName = "(V)PWorker-" + std::to_string(begin) + "-" + std::to_string(chunk);
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int chunk, int sample_size,
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std::vector<std::vector<double>>& predictions) {
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std::string threadName =
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"(V)PWorker-" + std::to_string(begin) + "-" + std::to_string(chunk);
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#if defined(__linux__)
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#if defined(__linux__)
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pthread_setname_np(pthread_self(), threadName.c_str());
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pthread_setname_np(pthread_self(), threadName.c_str());
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#else
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#else
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@@ -305,7 +321,9 @@ namespace bayesnet {
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void XSpode::normalize(std::vector<double>& v) const
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void XSpode::normalize(std::vector<double>& v) const
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{
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{
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double sum = 0.0;
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double sum = 0.0;
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for (auto val : v) { sum += val; }
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for (auto val : v) {
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sum += val;
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}
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if (sum <= 0.0) {
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if (sum <= 0.0) {
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return;
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return;
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}
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}
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@@ -320,37 +338,47 @@ namespace bayesnet {
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std::string XSpode::to_string() const
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std::string XSpode::to_string() const
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{
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{
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std::ostringstream oss;
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std::ostringstream oss;
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oss << "---- SPODE Model ----" << std::endl
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oss << "----- XSpode Model -----" << std::endl
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<< "nFeatures_ = " << nFeatures_ << std::endl
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<< "nFeatures_ = " << nFeatures_ << std::endl
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<< "superParent_ = " << superParent_ << std::endl
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<< "superParent_ = " << superParent_ << std::endl
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<< "statesClass_ = " << statesClass_ << std::endl
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<< "statesClass_ = " << statesClass_ << std::endl
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<< std::endl;
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<< std::endl;
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oss << "States: [";
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oss << "States: [";
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for (int s : states_) oss << s << " ";
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for (int s : states_)
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oss << s << " ";
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oss << "]" << std::endl;
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oss << "]" << std::endl;
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oss << "classCounts_: [";
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oss << "classCounts_: [";
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for (double c : classCounts_) oss << c << " ";
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for (double c : classCounts_)
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oss << c << " ";
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oss << "]" << std::endl;
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oss << "]" << std::endl;
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oss << "classPriors_: [";
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oss << "classPriors_: [";
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for (double c : classPriors_) oss << c << " ";
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for (double c : classPriors_)
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oss << c << " ";
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oss << "]" << std::endl;
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oss << "]" << std::endl;
|
||||||
oss << "spFeatureCounts_: size = " << spFeatureCounts_.size() << std::endl << "[";
|
oss << "spFeatureCounts_: size = " << spFeatureCounts_.size() << std::endl
|
||||||
for (double c : spFeatureCounts_) oss << c << " ";
|
<< "[";
|
||||||
|
for (double c : spFeatureCounts_)
|
||||||
|
oss << c << " ";
|
||||||
oss << "]" << std::endl;
|
oss << "]" << std::endl;
|
||||||
oss << "spFeatureProbs_: size = " << spFeatureProbs_.size() << std::endl << "[";
|
oss << "spFeatureProbs_: size = " << spFeatureProbs_.size() << std::endl
|
||||||
for (double c : spFeatureProbs_) oss << c << " ";
|
<< "[";
|
||||||
|
for (double c : spFeatureProbs_)
|
||||||
|
oss << c << " ";
|
||||||
oss << "]" << std::endl;
|
oss << "]" << std::endl;
|
||||||
oss << "childCounts_: size = " << childCounts_.size() << std::endl << "[";
|
oss << "childCounts_: size = " << childCounts_.size() << std::endl << "[";
|
||||||
for (double cc : childCounts_) oss << cc << " ";
|
for (double cc : childCounts_)
|
||||||
|
oss << cc << " ";
|
||||||
oss << "]" << std::endl;
|
oss << "]" << std::endl;
|
||||||
|
|
||||||
for (double cp : childProbs_) oss << cp << " ";
|
for (double cp : childProbs_)
|
||||||
|
oss << cp << " ";
|
||||||
oss << "]" << std::endl;
|
oss << "]" << std::endl;
|
||||||
oss << "childOffsets_: [";
|
oss << "childOffsets_: [";
|
||||||
for (int co : childOffsets_) oss << co << " ";
|
for (int co : childOffsets_)
|
||||||
|
oss << co << " ";
|
||||||
oss << "]" << std::endl;
|
oss << "]" << std::endl;
|
||||||
oss << "---------------------" << std::endl;
|
oss << std::string(40,'-') << std::endl;
|
||||||
return oss.str();
|
return oss.str();
|
||||||
}
|
}
|
||||||
int XSpode::getNumberOfNodes() const { return nFeatures_ + 1; }
|
int XSpode::getNumberOfNodes() const { return nFeatures_ + 1; }
|
||||||
@@ -372,8 +400,7 @@ namespace bayesnet {
|
|||||||
int XSpode::predict(const std::vector<int>& instance) const
|
int XSpode::predict(const std::vector<int>& instance) const
|
||||||
{
|
{
|
||||||
auto p = predict_proba(instance);
|
auto p = predict_proba(instance);
|
||||||
return static_cast<int>(std::distance(p.begin(),
|
return static_cast<int>(std::distance(p.begin(), std::max_element(p.begin(), p.end())));
|
||||||
std::max_element(p.begin(), p.end())));
|
|
||||||
}
|
}
|
||||||
std::vector<int> XSpode::predict(std::vector<std::vector<int>>& test_data)
|
std::vector<int> XSpode::predict(std::vector<std::vector<int>>& test_data)
|
||||||
{
|
{
|
||||||
@@ -381,9 +408,10 @@ namespace bayesnet {
|
|||||||
std::vector<int> predictions(probabilities.size(), 0);
|
std::vector<int> predictions(probabilities.size(), 0);
|
||||||
|
|
||||||
for (size_t i = 0; i < probabilities.size(); i++) {
|
for (size_t i = 0; i < probabilities.size(); i++) {
|
||||||
predictions[i] = std::distance(probabilities[i].begin(), std::max_element(probabilities[i].begin(), probabilities[i].end()));
|
predictions[i] = std::distance(
|
||||||
|
probabilities[i].begin(),
|
||||||
|
std::max_element(probabilities[i].begin(), probabilities[i].end()));
|
||||||
}
|
}
|
||||||
|
|
||||||
return predictions;
|
return predictions;
|
||||||
}
|
}
|
||||||
torch::Tensor XSpode::predict(torch::Tensor& X)
|
torch::Tensor XSpode::predict(torch::Tensor& X)
|
||||||
@@ -396,9 +424,11 @@ namespace bayesnet {
|
|||||||
{
|
{
|
||||||
auto X_ = TensorUtils::to_matrix(X);
|
auto X_ = TensorUtils::to_matrix(X);
|
||||||
auto result_v = predict_proba(X_);
|
auto result_v = predict_proba(X_);
|
||||||
torch::Tensor result;
|
int n_samples = X.size(1);
|
||||||
|
torch::Tensor result =
|
||||||
|
torch::zeros({ n_samples, statesClass_ }, torch::kDouble);
|
||||||
for (int i = 0; i < result_v.size(); ++i) {
|
for (int i = 0; i < result_v.size(); ++i) {
|
||||||
result.index_put_({ i, "..." }, torch::tensor(result_v[i], torch::kDouble));
|
result.index_put_({ i, "..." }, torch::tensor(result_v[i]));
|
||||||
}
|
}
|
||||||
return result;
|
return result;
|
||||||
}
|
}
|
||||||
@@ -418,5 +448,4 @@ namespace bayesnet {
|
|||||||
}
|
}
|
||||||
return (double)correct / y_pred.size();
|
return (double)correct / y_pred.size();
|
||||||
}
|
}
|
||||||
}
|
} // namespace bayesnet
|
||||||
|
|
||||||
|
@@ -29,7 +29,7 @@ namespace bayesnet {
|
|||||||
int getClassNumStates() const override;
|
int getClassNumStates() const override;
|
||||||
std::vector<int>& getStates();
|
std::vector<int>& getStates();
|
||||||
std::vector<std::string> graph(const std::string& title) const override { return std::vector<std::string>({ title }); }
|
std::vector<std::string> graph(const std::string& title) const override { return std::vector<std::string>({ title }); }
|
||||||
void fit(std::vector<std::vector<int>>& X, std::vector<int>& y, torch::Tensor& weights_, const Smoothing_t smoothing);
|
void fit(torch::Tensor& X, torch::Tensor& y, torch::Tensor& weights_, const Smoothing_t smoothing);
|
||||||
void setHyperparameters(const nlohmann::json& hyperparameters_) override;
|
void setHyperparameters(const nlohmann::json& hyperparameters_) override;
|
||||||
|
|
||||||
//
|
//
|
||||||
|
@@ -41,6 +41,7 @@ namespace bayesnet {
|
|||||||
return output;
|
return output;
|
||||||
}
|
}
|
||||||
protected:
|
protected:
|
||||||
|
void trainModel(const torch::Tensor& weights, const Smoothing_t smoothing) override;
|
||||||
torch::Tensor predict_average_voting(torch::Tensor& X);
|
torch::Tensor predict_average_voting(torch::Tensor& X);
|
||||||
std::vector<std::vector<double>> predict_average_voting(std::vector<std::vector<int>>& X);
|
std::vector<std::vector<double>> predict_average_voting(std::vector<std::vector<int>>& X);
|
||||||
torch::Tensor predict_average_proba(torch::Tensor& X);
|
torch::Tensor predict_average_proba(torch::Tensor& X);
|
||||||
@@ -48,10 +49,10 @@ namespace bayesnet {
|
|||||||
torch::Tensor compute_arg_max(torch::Tensor& X);
|
torch::Tensor compute_arg_max(torch::Tensor& X);
|
||||||
std::vector<int> compute_arg_max(std::vector<std::vector<double>>& X);
|
std::vector<int> compute_arg_max(std::vector<std::vector<double>>& X);
|
||||||
torch::Tensor voting(torch::Tensor& votes);
|
torch::Tensor voting(torch::Tensor& votes);
|
||||||
|
// Attributes
|
||||||
unsigned n_models;
|
unsigned n_models;
|
||||||
std::vector<std::unique_ptr<Classifier>> models;
|
std::vector<std::unique_ptr<Classifier>> models;
|
||||||
std::vector<double> significanceModels;
|
std::vector<double> significanceModels;
|
||||||
void trainModel(const torch::Tensor& weights, const Smoothing_t smoothing) override;
|
|
||||||
bool predict_voting;
|
bool predict_voting;
|
||||||
};
|
};
|
||||||
}
|
}
|
||||||
|
@@ -36,7 +36,8 @@ namespace bayesnet {
|
|||||||
std::vector<int> featuresSelected = featureSelection(weights_);
|
std::vector<int> featuresSelected = featureSelection(weights_);
|
||||||
for (const int& feature : featuresSelected) {
|
for (const int& feature : featuresSelected) {
|
||||||
std::unique_ptr<Classifier> model = std::make_unique<XSpode>(feature);
|
std::unique_ptr<Classifier> model = std::make_unique<XSpode>(feature);
|
||||||
model->fit(dataset, features, className, states, weights_, smoothing);
|
// model->fit(dataset, features, className, states, weights_, smoothing);
|
||||||
|
dynamic_cast<XSpode*>(model.get())->fit(X_train, y_train, weights_, smoothing);
|
||||||
add_model(std::move(model), 1.0);
|
add_model(std::move(model), 1.0);
|
||||||
}
|
}
|
||||||
notes.push_back("Used features in initialization: " + std::to_string(featuresSelected.size()) + " of " + std::to_string(features.size()) + " with " + select_features_algorithm);
|
notes.push_back("Used features in initialization: " + std::to_string(featuresSelected.size()) + " of " + std::to_string(features.size()) + " with " + select_features_algorithm);
|
||||||
@@ -57,6 +58,7 @@ namespace bayesnet {
|
|||||||
n_models = 0;
|
n_models = 0;
|
||||||
if (selectFeatures) {
|
if (selectFeatures) {
|
||||||
featuresUsed = initializeModels(smoothing);
|
featuresUsed = initializeModels(smoothing);
|
||||||
|
std::cout << "features used: " << featuresUsed.size() << std::endl;
|
||||||
auto ypred = predict(X_train_);
|
auto ypred = predict(X_train_);
|
||||||
auto ypred_t = torch::tensor(ypred);
|
auto ypred_t = torch::tensor(ypred);
|
||||||
std::tie(weights_, alpha_t, finished) = update_weights(y_train, ypred_t, weights_);
|
std::tie(weights_, alpha_t, finished) = update_weights(y_train, ypred_t, weights_);
|
||||||
@@ -103,7 +105,11 @@ namespace bayesnet {
|
|||||||
featureSelection.erase(featureSelection.begin());
|
featureSelection.erase(featureSelection.begin());
|
||||||
std::unique_ptr<Classifier> model;
|
std::unique_ptr<Classifier> model;
|
||||||
model = std::make_unique<XSpode>(feature);
|
model = std::make_unique<XSpode>(feature);
|
||||||
dynamic_cast<XSpode*>(model.get())->fit(X_train_, y_train_, weights_, smoothing); // using exclusive XSpode fit method
|
dynamic_cast<XSpode*>(model.get())->fit(X_train, y_train, weights_, smoothing); // using exclusive XSpode fit method
|
||||||
|
// DEBUG
|
||||||
|
std::cout << "Model fitted." << std::endl;
|
||||||
|
std::cout << dynamic_cast<XSpode*>(model.get())->to_string() << std::endl;
|
||||||
|
// DEBUG
|
||||||
std::vector<int> ypred;
|
std::vector<int> ypred;
|
||||||
if (alpha_block) {
|
if (alpha_block) {
|
||||||
//
|
//
|
||||||
|
@@ -6,7 +6,7 @@
|
|||||||
|
|
||||||
#include <ArffFiles.hpp>
|
#include <ArffFiles.hpp>
|
||||||
#include <CPPFImdlp.h>
|
#include <CPPFImdlp.h>
|
||||||
#include <bayesnet/ensembles/BoostAODE.h>
|
#include <bayesnet/ensembles/XBAODE.h>
|
||||||
|
|
||||||
std::vector<mdlp::labels_t> discretizeDataset(std::vector<mdlp::samples_t>& X, mdlp::labels_t& y)
|
std::vector<mdlp::labels_t> discretizeDataset(std::vector<mdlp::samples_t>& X, mdlp::labels_t& y)
|
||||||
{
|
{
|
||||||
@@ -57,7 +57,7 @@ int main(int argc, char* argv[])
|
|||||||
std::vector<std::string> features;
|
std::vector<std::string> features;
|
||||||
std::string className;
|
std::string className;
|
||||||
map<std::string, std::vector<int>> states;
|
map<std::string, std::vector<int>> states;
|
||||||
auto clf = bayesnet::BoostAODE(false); // false for not using voting in predict
|
auto clf = bayesnet::XBAODE(); // false for not using voting in predict
|
||||||
std::cout << "Library version: " << clf.getVersion() << std::endl;
|
std::cout << "Library version: " << clf.getVersion() << std::endl;
|
||||||
tie(X, y, features, className, states) = loadDataset(file_name, true);
|
tie(X, y, features, className, states) = loadDataset(file_name, true);
|
||||||
torch::Tensor weights = torch::full({ X.size(1) }, 15, torch::kDouble);
|
torch::Tensor weights = torch::full({ X.size(1) }, 15, torch::kDouble);
|
||||||
@@ -73,7 +73,6 @@ int main(int argc, char* argv[])
|
|||||||
oss << "y dimensions: " << y.sizes();
|
oss << "y dimensions: " << y.sizes();
|
||||||
throw std::runtime_error(oss.str());
|
throw std::runtime_error(oss.str());
|
||||||
}
|
}
|
||||||
//Classifier& fit(torch::Tensor& dataset, const std::vector<std::string>& features, const std::string& className, std::map<std::string, std::vector<int>>& states, const torch::Tensor& weights, const Smoothing_t smoothing) override;
|
|
||||||
clf.fit(dataset, features, className, states, weights, bayesnet::Smoothing_t::LAPLACE);
|
clf.fit(dataset, features, className, states, weights, bayesnet::Smoothing_t::LAPLACE);
|
||||||
auto score = clf.score(X, y);
|
auto score = clf.score(X, y);
|
||||||
std::cout << "File: " << file_name << " Model: BoostAODE score: " << score << std::endl;
|
std::cout << "File: " << file_name << " Model: BoostAODE score: " << score << std::endl;
|
||||||
|
@@ -10,7 +10,7 @@ if(ENABLE_TESTING)
|
|||||||
)
|
)
|
||||||
file(GLOB_RECURSE BayesNet_SOURCES "${BayesNet_SOURCE_DIR}/bayesnet/*.cc")
|
file(GLOB_RECURSE BayesNet_SOURCES "${BayesNet_SOURCE_DIR}/bayesnet/*.cc")
|
||||||
add_executable(TestBayesNet TestBayesNetwork.cc TestBayesNode.cc TestBayesClassifier.cc
|
add_executable(TestBayesNet TestBayesNetwork.cc TestBayesNode.cc TestBayesClassifier.cc
|
||||||
TestBayesModels.cc TestBayesMetrics.cc TestFeatureSelection.cc TestBoostAODE.cc TestA2DE.cc TestWA2DE.cc
|
TestBayesModels.cc TestBayesMetrics.cc TestFeatureSelection.cc TestBoostAODE.cc TestXBAODE.cc TestA2DE.cc TestWA2DE.cc
|
||||||
TestUtils.cc TestBayesEnsemble.cc TestModulesVersions.cc TestBoostA2DE.cc TestMST.cc ${BayesNet_SOURCES})
|
TestUtils.cc TestBayesEnsemble.cc TestModulesVersions.cc TestBoostA2DE.cc TestMST.cc ${BayesNet_SOURCES})
|
||||||
target_link_libraries(TestBayesNet PUBLIC "${TORCH_LIBRARIES}" fimdlp PRIVATE Catch2::Catch2WithMain)
|
target_link_libraries(TestBayesNet PUBLIC "${TORCH_LIBRARIES}" fimdlp PRIVATE Catch2::Catch2WithMain)
|
||||||
add_test(NAME BayesNetworkTest COMMAND TestBayesNet)
|
add_test(NAME BayesNetworkTest COMMAND TestBayesNet)
|
||||||
|
@@ -1,234 +0,0 @@
|
|||||||
// ***************************************************************
|
|
||||||
// SPDX-FileCopyrightText: Copyright 2024 Ricardo Montañana Gómez
|
|
||||||
// SPDX-FileType: SOURCE
|
|
||||||
// SPDX-License-Identifier: MIT
|
|
||||||
// ***************************************************************
|
|
||||||
|
|
||||||
#include <type_traits>
|
|
||||||
#include <catch2/catch_test_macros.hpp>
|
|
||||||
#include <catch2/catch_approx.hpp>
|
|
||||||
#include <catch2/generators/catch_generators.hpp>
|
|
||||||
#include <catch2/matchers/catch_matchers.hpp>
|
|
||||||
#include "bayesnet/ensembles/XBAODE.h"
|
|
||||||
#include "TestUtils.h"
|
|
||||||
|
|
||||||
|
|
||||||
TEST_CASE("Feature_select CFS", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto raw = RawDatasets("glass", true);
|
|
||||||
auto clf = bayesnet::XBAODE();
|
|
||||||
clf.setHyperparameters({ {"select_features", "CFS"} });
|
|
||||||
clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
REQUIRE(clf.getNumberOfNodes() == 90);
|
|
||||||
REQUIRE(clf.getNumberOfEdges() == 153);
|
|
||||||
REQUIRE(clf.getNotes().size() == 2);
|
|
||||||
REQUIRE(clf.getNotes()[0] == "Used features in initialization: 6 of 9 with CFS");
|
|
||||||
REQUIRE(clf.getNotes()[1] == "Number of models: 9");
|
|
||||||
}
|
|
||||||
TEST_CASE("Feature_select IWSS", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto raw = RawDatasets("glass", true);
|
|
||||||
auto clf = bayesnet::XBAODE();
|
|
||||||
clf.setHyperparameters({ {"select_features", "IWSS"}, {"threshold", 0.5 } });
|
|
||||||
clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
REQUIRE(clf.getNumberOfNodes() == 90);
|
|
||||||
REQUIRE(clf.getNumberOfEdges() == 153);
|
|
||||||
REQUIRE(clf.getNotes().size() == 2);
|
|
||||||
REQUIRE(clf.getNotes()[0] == "Used features in initialization: 4 of 9 with IWSS");
|
|
||||||
REQUIRE(clf.getNotes()[1] == "Number of models: 9");
|
|
||||||
}
|
|
||||||
TEST_CASE("Feature_select FCBF", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto raw = RawDatasets("glass", true);
|
|
||||||
auto clf = bayesnet::XBAODE();
|
|
||||||
clf.setHyperparameters({ {"select_features", "FCBF"}, {"threshold", 1e-7 } });
|
|
||||||
clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
REQUIRE(clf.getNumberOfNodes() == 90);
|
|
||||||
REQUIRE(clf.getNumberOfEdges() == 153);
|
|
||||||
REQUIRE(clf.getNotes().size() == 2);
|
|
||||||
REQUIRE(clf.getNotes()[0] == "Used features in initialization: 4 of 9 with FCBF");
|
|
||||||
REQUIRE(clf.getNotes()[1] == "Number of models: 9");
|
|
||||||
}
|
|
||||||
TEST_CASE("Test used features in train note and score", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto raw = RawDatasets("diabetes", true);
|
|
||||||
auto clf = bayesnet::XBAODE(true);
|
|
||||||
clf.setHyperparameters({
|
|
||||||
{"order", "asc"},
|
|
||||||
{"convergence", true},
|
|
||||||
{"select_features","CFS"},
|
|
||||||
});
|
|
||||||
clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
REQUIRE(clf.getNumberOfNodes() == 72);
|
|
||||||
REQUIRE(clf.getNumberOfEdges() == 120);
|
|
||||||
REQUIRE(clf.getNotes().size() == 2);
|
|
||||||
REQUIRE(clf.getNotes()[0] == "Used features in initialization: 6 of 8 with CFS");
|
|
||||||
REQUIRE(clf.getNotes()[1] == "Number of models: 8");
|
|
||||||
auto score = clf.score(raw.Xv, raw.yv);
|
|
||||||
auto scoret = clf.score(raw.Xt, raw.yt);
|
|
||||||
REQUIRE(score == Catch::Approx(0.809895813).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(scoret == Catch::Approx(0.809895813).epsilon(raw.epsilon));
|
|
||||||
}
|
|
||||||
TEST_CASE("Voting vs proba", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto raw = RawDatasets("iris", true);
|
|
||||||
auto clf = bayesnet::XBAODE(false);
|
|
||||||
clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
auto score_proba = clf.score(raw.Xv, raw.yv);
|
|
||||||
auto pred_proba = clf.predict_proba(raw.Xv);
|
|
||||||
clf.setHyperparameters({
|
|
||||||
{"predict_voting",true},
|
|
||||||
});
|
|
||||||
auto score_voting = clf.score(raw.Xv, raw.yv);
|
|
||||||
auto pred_voting = clf.predict_proba(raw.Xv);
|
|
||||||
REQUIRE(score_proba == Catch::Approx(0.97333).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(score_voting == Catch::Approx(0.98).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(pred_voting[83][2] == Catch::Approx(1.0).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(pred_proba[83][2] == Catch::Approx(0.86121525).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(clf.dump_cpt() == "");
|
|
||||||
REQUIRE(clf.topological_order() == std::vector<std::string>());
|
|
||||||
}
|
|
||||||
TEST_CASE("Order asc, desc & random", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto raw = RawDatasets("glass", true);
|
|
||||||
std::map<std::string, double> scores{
|
|
||||||
{"asc", 0.83645f }, { "desc", 0.84579f }, { "rand", 0.84112 }
|
|
||||||
};
|
|
||||||
for (const std::string& order : { "asc", "desc", "rand" }) {
|
|
||||||
auto clf = bayesnet::XBAODE();
|
|
||||||
clf.setHyperparameters({
|
|
||||||
{"order", order},
|
|
||||||
{"bisection", false},
|
|
||||||
{"maxTolerance", 1},
|
|
||||||
{"convergence", false},
|
|
||||||
});
|
|
||||||
clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
auto score = clf.score(raw.Xv, raw.yv);
|
|
||||||
auto scoret = clf.score(raw.Xt, raw.yt);
|
|
||||||
INFO("XBAODE order: " << order);
|
|
||||||
REQUIRE(score == Catch::Approx(scores[order]).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(scoret == Catch::Approx(scores[order]).epsilon(raw.epsilon));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
TEST_CASE("Oddities", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto clf = bayesnet::XBAODE();
|
|
||||||
auto raw = RawDatasets("iris", true);
|
|
||||||
auto bad_hyper = nlohmann::json{
|
|
||||||
{ { "order", "duck" } },
|
|
||||||
{ { "select_features", "duck" } },
|
|
||||||
{ { "maxTolerance", 0 } },
|
|
||||||
{ { "maxTolerance", 7 } },
|
|
||||||
};
|
|
||||||
for (const auto& hyper : bad_hyper.items()) {
|
|
||||||
INFO("XBAODE hyper: " << hyper.value().dump());
|
|
||||||
REQUIRE_THROWS_AS(clf.setHyperparameters(hyper.value()), std::invalid_argument);
|
|
||||||
}
|
|
||||||
REQUIRE_THROWS_AS(clf.setHyperparameters({ {"maxTolerance", 0 } }), std::invalid_argument);
|
|
||||||
auto bad_hyper_fit = nlohmann::json{
|
|
||||||
{ { "select_features","IWSS" }, { "threshold", -0.01 } },
|
|
||||||
{ { "select_features","IWSS" }, { "threshold", 0.51 } },
|
|
||||||
{ { "select_features","FCBF" }, { "threshold", 1e-8 } },
|
|
||||||
{ { "select_features","FCBF" }, { "threshold", 1.01 } },
|
|
||||||
};
|
|
||||||
for (const auto& hyper : bad_hyper_fit.items()) {
|
|
||||||
INFO("XBAODE hyper: " << hyper.value().dump());
|
|
||||||
clf.setHyperparameters(hyper.value());
|
|
||||||
REQUIRE_THROWS_AS(clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing), std::invalid_argument);
|
|
||||||
}
|
|
||||||
|
|
||||||
auto bad_hyper_fit2 = nlohmann::json{
|
|
||||||
{ { "alpha_block", true }, { "block_update", true } },
|
|
||||||
{ { "bisection", false }, { "block_update", true } },
|
|
||||||
};
|
|
||||||
for (const auto& hyper : bad_hyper_fit2.items()) {
|
|
||||||
INFO("XBAODE hyper: " << hyper.value().dump());
|
|
||||||
REQUIRE_THROWS_AS(clf.setHyperparameters(hyper.value()), std::invalid_argument);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
TEST_CASE("Bisection Best", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto clf = bayesnet::XBAODE();
|
|
||||||
auto raw = RawDatasets("kdd_JapaneseVowels", true, 1200, true, false);
|
|
||||||
clf.setHyperparameters({
|
|
||||||
{"bisection", true},
|
|
||||||
{"maxTolerance", 3},
|
|
||||||
{"convergence", true},
|
|
||||||
{"convergence_best", false},
|
|
||||||
});
|
|
||||||
clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
REQUIRE(clf.getNumberOfNodes() == 210);
|
|
||||||
REQUIRE(clf.getNumberOfEdges() == 378);
|
|
||||||
REQUIRE(clf.getNotes().size() == 1);
|
|
||||||
REQUIRE(clf.getNotes().at(0) == "Number of models: 14");
|
|
||||||
auto score = clf.score(raw.X_test, raw.y_test);
|
|
||||||
auto scoret = clf.score(raw.X_test, raw.y_test);
|
|
||||||
REQUIRE(score == Catch::Approx(0.991666675f).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(scoret == Catch::Approx(0.991666675f).epsilon(raw.epsilon));
|
|
||||||
}
|
|
||||||
TEST_CASE("Bisection Best vs Last", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto raw = RawDatasets("kdd_JapaneseVowels", true, 1500, true, false);
|
|
||||||
auto clf = bayesnet::XBAODE(true);
|
|
||||||
auto hyperparameters = nlohmann::json{
|
|
||||||
{"bisection", true},
|
|
||||||
{"maxTolerance", 3},
|
|
||||||
{"convergence", true},
|
|
||||||
{"convergence_best", true},
|
|
||||||
};
|
|
||||||
clf.setHyperparameters(hyperparameters);
|
|
||||||
clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
auto score_best = clf.score(raw.X_test, raw.y_test);
|
|
||||||
REQUIRE(score_best == Catch::Approx(0.980000019f).epsilon(raw.epsilon));
|
|
||||||
// Now we will set the hyperparameter to use the last accuracy
|
|
||||||
hyperparameters["convergence_best"] = false;
|
|
||||||
clf.setHyperparameters(hyperparameters);
|
|
||||||
clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
auto score_last = clf.score(raw.X_test, raw.y_test);
|
|
||||||
REQUIRE(score_last == Catch::Approx(0.976666689f).epsilon(raw.epsilon));
|
|
||||||
}
|
|
||||||
TEST_CASE("Block Update", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto clf = bayesnet::XBAODE();
|
|
||||||
auto raw = RawDatasets("mfeat-factors", true, 500);
|
|
||||||
clf.setHyperparameters({
|
|
||||||
{"bisection", true},
|
|
||||||
{"block_update", true},
|
|
||||||
{"maxTolerance", 3},
|
|
||||||
{"convergence", true},
|
|
||||||
});
|
|
||||||
clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
REQUIRE(clf.getNumberOfNodes() == 868);
|
|
||||||
REQUIRE(clf.getNumberOfEdges() == 1724);
|
|
||||||
REQUIRE(clf.getNotes().size() == 3);
|
|
||||||
REQUIRE(clf.getNotes()[0] == "Convergence threshold reached & 15 models eliminated");
|
|
||||||
REQUIRE(clf.getNotes()[1] == "Used features in train: 19 of 216");
|
|
||||||
REQUIRE(clf.getNotes()[2] == "Number of models: 4");
|
|
||||||
auto score = clf.score(raw.X_test, raw.y_test);
|
|
||||||
auto scoret = clf.score(raw.X_test, raw.y_test);
|
|
||||||
REQUIRE(score == Catch::Approx(0.99f).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(scoret == Catch::Approx(0.99f).epsilon(raw.epsilon));
|
|
||||||
//
|
|
||||||
// std::cout << "Number of nodes " << clf.getNumberOfNodes() << std::endl;
|
|
||||||
// std::cout << "Number of edges " << clf.getNumberOfEdges() << std::endl;
|
|
||||||
// std::cout << "Notes size " << clf.getNotes().size() << std::endl;
|
|
||||||
// for (auto note : clf.getNotes()) {
|
|
||||||
// std::cout << note << std::endl;
|
|
||||||
// }
|
|
||||||
// std::cout << "Score " << score << std::endl;
|
|
||||||
}
|
|
||||||
TEST_CASE("Alphablock", "[XBAODE]")
|
|
||||||
{
|
|
||||||
auto clf_alpha = bayesnet::XBAODE();
|
|
||||||
auto clf_no_alpha = bayesnet::XBAODE();
|
|
||||||
auto raw = RawDatasets("diabetes", true);
|
|
||||||
clf_alpha.setHyperparameters({
|
|
||||||
{"alpha_block", true},
|
|
||||||
});
|
|
||||||
clf_alpha.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
clf_no_alpha.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
|
||||||
auto score_alpha = clf_alpha.score(raw.X_test, raw.y_test);
|
|
||||||
auto score_no_alpha = clf_no_alpha.score(raw.X_test, raw.y_test);
|
|
||||||
REQUIRE(score_alpha == Catch::Approx(0.720779f).epsilon(raw.epsilon));
|
|
||||||
REQUIRE(score_no_alpha == Catch::Approx(0.733766f).epsilon(raw.epsilon));
|
|
||||||
}
|
|
243
tests/TestXBAODE.cc
Normal file
243
tests/TestXBAODE.cc
Normal file
@@ -0,0 +1,243 @@
|
|||||||
|
// ***************************************************************
|
||||||
|
// SPDX-FileCopyrightText: Copyright 2024 Ricardo Montañana Gómez
|
||||||
|
// SPDX-FileType: SOURCE
|
||||||
|
// SPDX-License-Identifier: MIT
|
||||||
|
// ***************************************************************
|
||||||
|
|
||||||
|
#include <type_traits>
|
||||||
|
#include <catch2/catch_test_macros.hpp>
|
||||||
|
#include <catch2/catch_approx.hpp>
|
||||||
|
#include <catch2/generators/catch_generators.hpp>
|
||||||
|
#include <catch2/matchers/catch_matchers.hpp>
|
||||||
|
#include "bayesnet/ensembles/XBAODE.h"
|
||||||
|
#include "TestUtils.h"
|
||||||
|
|
||||||
|
|
||||||
|
TEST_CASE("Normal test", "[XBAODE]")
|
||||||
|
{
|
||||||
|
auto raw = RawDatasets("iris", true);
|
||||||
|
auto clf = bayesnet::XBAODE();
|
||||||
|
clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
REQUIRE(clf.getNumberOfNodes() == 20);
|
||||||
|
REQUIRE(clf.getNumberOfEdges() == 112);
|
||||||
|
REQUIRE(clf.getNotes().size() == 1);
|
||||||
|
}
|
||||||
|
//TEST_CASE("Feature_select CFS", "[XBAODE]")
|
||||||
|
//{
|
||||||
|
// auto raw = RawDatasets("glass", true);
|
||||||
|
// auto clf = bayesnet::XBAODE();
|
||||||
|
// clf.setHyperparameters({ {"select_features", "CFS"} });
|
||||||
|
// clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// REQUIRE(clf.getNumberOfNodes() == 97);
|
||||||
|
// REQUIRE(clf.getNumberOfEdges() == 153);
|
||||||
|
// REQUIRE(clf.getNotes().size() == 2);
|
||||||
|
// REQUIRE(clf.getNotes()[0] == "Used features in initialization: 6 of 9 with CFS");
|
||||||
|
// REQUIRE(clf.getNotes()[1] == "Number of models: 9");
|
||||||
|
//}
|
||||||
|
// TEST_CASE("Feature_select IWSS", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto raw = RawDatasets("glass", true);
|
||||||
|
// auto clf = bayesnet::XBAODE();
|
||||||
|
// clf.setHyperparameters({ {"select_features", "IWSS"}, {"threshold", 0.5 } });
|
||||||
|
// clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// REQUIRE(clf.getNumberOfNodes() == 90);
|
||||||
|
// REQUIRE(clf.getNumberOfEdges() == 153);
|
||||||
|
// REQUIRE(clf.getNotes().size() == 2);
|
||||||
|
// REQUIRE(clf.getNotes()[0] == "Used features in initialization: 4 of 9 with IWSS");
|
||||||
|
// REQUIRE(clf.getNotes()[1] == "Number of models: 9");
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Feature_select FCBF", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto raw = RawDatasets("glass", true);
|
||||||
|
// auto clf = bayesnet::XBAODE();
|
||||||
|
// clf.setHyperparameters({ {"select_features", "FCBF"}, {"threshold", 1e-7 } });
|
||||||
|
// clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// REQUIRE(clf.getNumberOfNodes() == 90);
|
||||||
|
// REQUIRE(clf.getNumberOfEdges() == 153);
|
||||||
|
// REQUIRE(clf.getNotes().size() == 2);
|
||||||
|
// REQUIRE(clf.getNotes()[0] == "Used features in initialization: 4 of 9 with FCBF");
|
||||||
|
// REQUIRE(clf.getNotes()[1] == "Number of models: 9");
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Test used features in train note and score", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto raw = RawDatasets("diabetes", true);
|
||||||
|
// auto clf = bayesnet::XBAODE(true);
|
||||||
|
// clf.setHyperparameters({
|
||||||
|
// {"order", "asc"},
|
||||||
|
// {"convergence", true},
|
||||||
|
// {"select_features","CFS"},
|
||||||
|
// });
|
||||||
|
// clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// REQUIRE(clf.getNumberOfNodes() == 72);
|
||||||
|
// REQUIRE(clf.getNumberOfEdges() == 120);
|
||||||
|
// REQUIRE(clf.getNotes().size() == 2);
|
||||||
|
// REQUIRE(clf.getNotes()[0] == "Used features in initialization: 6 of 8 with CFS");
|
||||||
|
// REQUIRE(clf.getNotes()[1] == "Number of models: 8");
|
||||||
|
// auto score = clf.score(raw.Xv, raw.yv);
|
||||||
|
// auto scoret = clf.score(raw.Xt, raw.yt);
|
||||||
|
// REQUIRE(score == Catch::Approx(0.809895813).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(scoret == Catch::Approx(0.809895813).epsilon(raw.epsilon));
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Voting vs proba", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto raw = RawDatasets("iris", true);
|
||||||
|
// auto clf = bayesnet::XBAODE(false);
|
||||||
|
// clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// auto score_proba = clf.score(raw.Xv, raw.yv);
|
||||||
|
// auto pred_proba = clf.predict_proba(raw.Xv);
|
||||||
|
// clf.setHyperparameters({
|
||||||
|
// {"predict_voting",true},
|
||||||
|
// });
|
||||||
|
// auto score_voting = clf.score(raw.Xv, raw.yv);
|
||||||
|
// auto pred_voting = clf.predict_proba(raw.Xv);
|
||||||
|
// REQUIRE(score_proba == Catch::Approx(0.97333).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(score_voting == Catch::Approx(0.98).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(pred_voting[83][2] == Catch::Approx(1.0).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(pred_proba[83][2] == Catch::Approx(0.86121525).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(clf.dump_cpt() == "");
|
||||||
|
// REQUIRE(clf.topological_order() == std::vector<std::string>());
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Order asc, desc & random", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto raw = RawDatasets("glass", true);
|
||||||
|
// std::map<std::string, double> scores{
|
||||||
|
// {"asc", 0.83645f }, { "desc", 0.84579f }, { "rand", 0.84112 }
|
||||||
|
// };
|
||||||
|
// for (const std::string& order : { "asc", "desc", "rand" }) {
|
||||||
|
// auto clf = bayesnet::XBAODE();
|
||||||
|
// clf.setHyperparameters({
|
||||||
|
// {"order", order},
|
||||||
|
// {"bisection", false},
|
||||||
|
// {"maxTolerance", 1},
|
||||||
|
// {"convergence", false},
|
||||||
|
// });
|
||||||
|
// clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// auto score = clf.score(raw.Xv, raw.yv);
|
||||||
|
// auto scoret = clf.score(raw.Xt, raw.yt);
|
||||||
|
// INFO("XBAODE order: " << order);
|
||||||
|
// REQUIRE(score == Catch::Approx(scores[order]).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(scoret == Catch::Approx(scores[order]).epsilon(raw.epsilon));
|
||||||
|
// }
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Oddities", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto clf = bayesnet::XBAODE();
|
||||||
|
// auto raw = RawDatasets("iris", true);
|
||||||
|
// auto bad_hyper = nlohmann::json{
|
||||||
|
// { { "order", "duck" } },
|
||||||
|
// { { "select_features", "duck" } },
|
||||||
|
// { { "maxTolerance", 0 } },
|
||||||
|
// { { "maxTolerance", 7 } },
|
||||||
|
// };
|
||||||
|
// for (const auto& hyper : bad_hyper.items()) {
|
||||||
|
// INFO("XBAODE hyper: " << hyper.value().dump());
|
||||||
|
// REQUIRE_THROWS_AS(clf.setHyperparameters(hyper.value()), std::invalid_argument);
|
||||||
|
// }
|
||||||
|
// REQUIRE_THROWS_AS(clf.setHyperparameters({ {"maxTolerance", 0 } }), std::invalid_argument);
|
||||||
|
// auto bad_hyper_fit = nlohmann::json{
|
||||||
|
// { { "select_features","IWSS" }, { "threshold", -0.01 } },
|
||||||
|
// { { "select_features","IWSS" }, { "threshold", 0.51 } },
|
||||||
|
// { { "select_features","FCBF" }, { "threshold", 1e-8 } },
|
||||||
|
// { { "select_features","FCBF" }, { "threshold", 1.01 } },
|
||||||
|
// };
|
||||||
|
// for (const auto& hyper : bad_hyper_fit.items()) {
|
||||||
|
// INFO("XBAODE hyper: " << hyper.value().dump());
|
||||||
|
// clf.setHyperparameters(hyper.value());
|
||||||
|
// REQUIRE_THROWS_AS(clf.fit(raw.Xv, raw.yv, raw.features, raw.className, raw.states, raw.smoothing), std::invalid_argument);
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||||||
|
// }
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||||||
|
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||||||
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// auto bad_hyper_fit2 = nlohmann::json{
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||||||
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// { { "alpha_block", true }, { "block_update", true } },
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// { { "bisection", false }, { "block_update", true } },
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||||||
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// };
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||||||
|
// for (const auto& hyper : bad_hyper_fit2.items()) {
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||||||
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// INFO("XBAODE hyper: " << hyper.value().dump());
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||||||
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// REQUIRE_THROWS_AS(clf.setHyperparameters(hyper.value()), std::invalid_argument);
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||||||
|
// }
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Bisection Best", "[XBAODE]")
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||||||
|
// {
|
||||||
|
// auto clf = bayesnet::XBAODE();
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||||||
|
// auto raw = RawDatasets("kdd_JapaneseVowels", true, 1200, true, false);
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||||||
|
// clf.setHyperparameters({
|
||||||
|
// {"bisection", true},
|
||||||
|
// {"maxTolerance", 3},
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||||||
|
// {"convergence", true},
|
||||||
|
// {"convergence_best", false},
|
||||||
|
// });
|
||||||
|
// clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// REQUIRE(clf.getNumberOfNodes() == 210);
|
||||||
|
// REQUIRE(clf.getNumberOfEdges() == 378);
|
||||||
|
// REQUIRE(clf.getNotes().size() == 1);
|
||||||
|
// REQUIRE(clf.getNotes().at(0) == "Number of models: 14");
|
||||||
|
// auto score = clf.score(raw.X_test, raw.y_test);
|
||||||
|
// auto scoret = clf.score(raw.X_test, raw.y_test);
|
||||||
|
// REQUIRE(score == Catch::Approx(0.991666675f).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(scoret == Catch::Approx(0.991666675f).epsilon(raw.epsilon));
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Bisection Best vs Last", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto raw = RawDatasets("kdd_JapaneseVowels", true, 1500, true, false);
|
||||||
|
// auto clf = bayesnet::XBAODE(true);
|
||||||
|
// auto hyperparameters = nlohmann::json{
|
||||||
|
// {"bisection", true},
|
||||||
|
// {"maxTolerance", 3},
|
||||||
|
// {"convergence", true},
|
||||||
|
// {"convergence_best", true},
|
||||||
|
// };
|
||||||
|
// clf.setHyperparameters(hyperparameters);
|
||||||
|
// clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// auto score_best = clf.score(raw.X_test, raw.y_test);
|
||||||
|
// REQUIRE(score_best == Catch::Approx(0.980000019f).epsilon(raw.epsilon));
|
||||||
|
// // Now we will set the hyperparameter to use the last accuracy
|
||||||
|
// hyperparameters["convergence_best"] = false;
|
||||||
|
// clf.setHyperparameters(hyperparameters);
|
||||||
|
// clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// auto score_last = clf.score(raw.X_test, raw.y_test);
|
||||||
|
// REQUIRE(score_last == Catch::Approx(0.976666689f).epsilon(raw.epsilon));
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Block Update", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto clf = bayesnet::XBAODE();
|
||||||
|
// auto raw = RawDatasets("mfeat-factors", true, 500);
|
||||||
|
// clf.setHyperparameters({
|
||||||
|
// {"bisection", true},
|
||||||
|
// {"block_update", true},
|
||||||
|
// {"maxTolerance", 3},
|
||||||
|
// {"convergence", true},
|
||||||
|
// });
|
||||||
|
// clf.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// REQUIRE(clf.getNumberOfNodes() == 868);
|
||||||
|
// REQUIRE(clf.getNumberOfEdges() == 1724);
|
||||||
|
// REQUIRE(clf.getNotes().size() == 3);
|
||||||
|
// REQUIRE(clf.getNotes()[0] == "Convergence threshold reached & 15 models eliminated");
|
||||||
|
// REQUIRE(clf.getNotes()[1] == "Used features in train: 19 of 216");
|
||||||
|
// REQUIRE(clf.getNotes()[2] == "Number of models: 4");
|
||||||
|
// auto score = clf.score(raw.X_test, raw.y_test);
|
||||||
|
// auto scoret = clf.score(raw.X_test, raw.y_test);
|
||||||
|
// REQUIRE(score == Catch::Approx(0.99f).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(scoret == Catch::Approx(0.99f).epsilon(raw.epsilon));
|
||||||
|
// //
|
||||||
|
// // std::cout << "Number of nodes " << clf.getNumberOfNodes() << std::endl;
|
||||||
|
// // std::cout << "Number of edges " << clf.getNumberOfEdges() << std::endl;
|
||||||
|
// // std::cout << "Notes size " << clf.getNotes().size() << std::endl;
|
||||||
|
// // for (auto note : clf.getNotes()) {
|
||||||
|
// // std::cout << note << std::endl;
|
||||||
|
// // }
|
||||||
|
// // std::cout << "Score " << score << std::endl;
|
||||||
|
// }
|
||||||
|
// TEST_CASE("Alphablock", "[XBAODE]")
|
||||||
|
// {
|
||||||
|
// auto clf_alpha = bayesnet::XBAODE();
|
||||||
|
// auto clf_no_alpha = bayesnet::XBAODE();
|
||||||
|
// auto raw = RawDatasets("diabetes", true);
|
||||||
|
// clf_alpha.setHyperparameters({
|
||||||
|
// {"alpha_block", true},
|
||||||
|
// });
|
||||||
|
// clf_alpha.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// clf_no_alpha.fit(raw.X_train, raw.y_train, raw.features, raw.className, raw.states, raw.smoothing);
|
||||||
|
// auto score_alpha = clf_alpha.score(raw.X_test, raw.y_test);
|
||||||
|
// auto score_no_alpha = clf_no_alpha.score(raw.X_test, raw.y_test);
|
||||||
|
// REQUIRE(score_alpha == Catch::Approx(0.720779f).epsilon(raw.epsilon));
|
||||||
|
// REQUIRE(score_no_alpha == Catch::Approx(0.733766f).epsilon(raw.epsilon));
|
||||||
|
// }
|
Reference in New Issue
Block a user