Complete AODELd

.vscode/launch.json

@@ -25,14 +25,14 @@
             "program": "${workspaceFolder}/build/src/Platform/main",
             "args": [
                 "-m",
-                "TANNew",
+                "AODELd",
                 "-p",
                 "/Users/rmontanana/Code/discretizbench/datasets",
                 "--stratified",
                 "-d",
                 "iris"
             ],
-            "cwd": "${workspaceFolder}/build/src/Platform",
+            "cwd": "/Users/rmontanana/Code/discretizbench",
         },
         {
             "name": "Build & debug active file",

Makefile

@@ -17,6 +17,11 @@ dependency: ## Create a dependency graph diagram of the project (build/dependenc
 build: ## Build the main and BayesNetSample
 	cmake --build build -t main -t BayesNetSample -j 32
 
+clean: ## Clean the debug info
+	@echo ">>> Cleaning Debug BayesNet ...";
+	find . -name "*.gcda" -print0 | xargs -0 rm
+	@echo ">>> Done";
+
 debug: ## Build a debug version of the project
 	@echo ">>> Building Debug BayesNet ...";
 	@if [ -d ./build ]; then rm -rf ./build; fi

src/BayesNet/AODELd.cc

@@ -0,0 +1,34 @@
+#include "AODELd.h"
+
+namespace bayesnet {
+    using namespace std;
+    AODELd::AODELd() : Ensemble(), Proposal(Ensemble::Xv, Ensemble::yv, features, className) {}
+    AODELd& AODELd::fit(torch::Tensor& X_, torch::Tensor& y_, vector<string>& features_, string className_, map<string, vector<int>>& states_)
+    {
+        features = features_;
+        className = className_;
+        states = states_;
+        train();
+        for (const auto& model : models) {
+            model->fit(X_, y_, features_, className_, states_);
+        }
+        n_models = models.size();
+        fitted = true;
+        return *this;
+    }
+    void AODELd::train()
+    {
+        models.clear();
+        for (int i = 0; i < features.size(); ++i) {
+            models.push_back(std::make_unique<SPODELd>(i));
+        }
+    }
+    Tensor AODELd::predict(Tensor& X)
+    {
+        return Ensemble::predict(X);
+    }
+    vector<string> AODELd::graph(const string& name)
+    {
+        return Ensemble::graph(name);
+    }
+}

src/BayesNet/AODELd.h

@@ -0,0 +1,20 @@
+#ifndef AODELD_H
+#define AODELD_H
+#include "Ensemble.h"
+#include "Proposal.h"
+#include "SPODELd.h"
+
+namespace bayesnet {
+    using namespace std;
+    class AODELd : public Ensemble, public Proposal {
+    public:
+        AODELd();
+        virtual ~AODELd() = default;
+        AODELd& fit(torch::Tensor& X, torch::Tensor& y, vector<string>& features, string className, map<string, vector<int>>& states) override;
+        vector<string> graph(const string& name = "AODE") override;
+        Tensor predict(Tensor& X) override;
+        void train() override;
+        static inline string version() { return "0.0.1"; };
+    };
+}
+#endif // !AODELD_H

src/BayesNet/CMakeLists.txt

@@ -1,5 +1,5 @@
 include_directories(${BayesNet_SOURCE_DIR}/lib/mdlp)
 include_directories(${BayesNet_SOURCE_DIR}/lib/Files)
 add_library(BayesNet bayesnetUtils.cc Network.cc Node.cc BayesMetrics.cc Classifier.cc 
-    KDB.cc TAN.cc SPODE.cc Ensemble.cc AODE.cc TANLd.cc KDBLd.cc SPODELd.cc Mst.cc Proposal.cc)
+    KDB.cc TAN.cc SPODE.cc Ensemble.cc AODE.cc TANLd.cc KDBLd.cc SPODELd.cc AODELd.cc Mst.cc Proposal.cc)
 target_link_libraries(BayesNet mdlp ArffFiles "${TORCH_LIBRARIES}")

src/BayesNet/Ensemble.cc

@@ -3,24 +3,24 @@
 namespace bayesnet {
     using namespace torch;
 
-    Ensemble::Ensemble() : m(0), n(0), n_models(0), metrics(Metrics()), fitted(false) {}
+    Ensemble::Ensemble() : n_models(0), metrics(Metrics()), fitted(false) {}
     Ensemble& Ensemble::build(vector<string>& features, string className, map<string, vector<int>>& states)
     {
-        dataset = cat({ X, y.view({y.size(0), 1}) }, 1);
+        Tensor ytmp = torch::transpose(y.view({ y.size(0), 1 }), 0, 1);
+        samples = torch::cat({ X, ytmp }, 0);
         this->features = features;
         this->className = className;
         this->states = states;
         auto n_classes = states[className].size();
-        metrics = Metrics(dataset, features, className, n_classes);
+        metrics = Metrics(samples, features, className, n_classes);
         // Build models
         train();
         // Train models
         n_models = models.size();
-        auto Xt = torch::transpose(X, 0, 1);
         for (auto i = 0; i < n_models; ++i) {
-            if (Xv == vector<vector<int>>()) {
+            if (Xv.empty()) {
                 // fit with tensors
-                models[i]->fit(Xt, y, features, className, states);
+                models[i]->fit(X, y, features, className, states);
             } else {
                 // fit with vectors
                 models[i]->fit(Xv, yv, features, className, states);
@@ -29,9 +29,16 @@ namespace bayesnet {
         fitted = true;
         return *this;
     }
+    void Ensemble::generateTensorXFromVector()
+    {
+        X = torch::zeros({ static_cast<int>(Xv.size()), static_cast<int>(Xv[0].size()) }, kInt32);
+        for (int i = 0; i < Xv.size(); ++i) {
+            X.index_put_({ i, "..." }, torch::tensor(Xv[i], kInt32));
+        }
+    }
     Ensemble& Ensemble::fit(torch::Tensor& X, torch::Tensor& y, vector<string>& features, string className, map<string, vector<int>>& states)
     {
-        this->X = torch::transpose(X, 0, 1);
+        this->X = X;
         this->y = y;
         Xv = vector<vector<int>>();
         yv = vector<int>(y.data_ptr<int>(), y.data_ptr<int>() + y.size(0));
@@ -39,11 +46,8 @@ namespace bayesnet {
     }
     Ensemble& Ensemble::fit(vector<vector<int>>& X, vector<int>& y, vector<string>& features, string className, map<string, vector<int>>& states)
     {
-        this->X = torch::zeros({ static_cast<int>(X[0].size()), static_cast<int>(X.size()) }, kInt32);
         Xv = X;
-        for (int i = 0; i < X.size(); ++i) {
+        generateTensorXFromVector();
-            this->X.index_put_({ "...", i }, torch::tensor(X[i], kInt32));
-        }
         this->y = torch::tensor(y, kInt32);
         yv = y;
         return build(features, className, states);
@@ -53,10 +57,11 @@ namespace bayesnet {
         auto y_pred_ = y_pred.accessor<int, 2>();
         vector<int> y_pred_final;
         for (int i = 0; i < y_pred.size(0); ++i) {
-            vector<float> votes(states[className].size(), 0);
+            vector<float> votes(y_pred.size(1), 0);
             for (int j = 0; j < y_pred.size(1); ++j) {
                 votes[y_pred_[i][j]] += 1;
             }
+            // argsort in descending order
             auto indices = argsort(votes);
             y_pred_final.push_back(indices[0]);
         }
@@ -70,13 +75,12 @@ namespace bayesnet {
         Tensor y_pred = torch::zeros({ X.size(1), n_models }, kInt32);
         //Create a threadpool
         auto threads{ vector<thread>() };
-        auto lock = mutex();
+        mutex mtx;
         for (auto i = 0; i < n_models; ++i) {
             threads.push_back(thread([&, i]() {
                 auto ypredict = models[i]->predict(X);
-                lock.lock();
+                lock_guard<mutex> lock(mtx);
                 y_pred.index_put_({ "...", i }, ypredict);
-                lock.unlock();
                 }));
         }
         for (auto& thread : threads) {

src/BayesNet/Ensemble.h

@@ -10,23 +10,23 @@ using namespace torch;
 namespace bayesnet {
     class Ensemble : public BaseClassifier {
     private:
-        bool fitted;
-        long n_models;
         Ensemble& build(vector<string>& features, string className, map<string, vector<int>>& states);
     protected:
+        unsigned n_models;
+        bool fitted;
         vector<unique_ptr<Classifier>> models;
-        int m, n; // m: number of samples, n: number of features
         Tensor X;
         vector<vector<int>> Xv;
         Tensor y;
         vector<int> yv;
-        Tensor dataset;
+        Tensor samples;
         Metrics metrics;
         vector<string> features;
         string className;
         map<string, vector<int>> states;
         void virtual train() = 0;
         vector<int> voting(Tensor& y_pred);
+        void generateTensorXFromVector();
     public:
         Ensemble();
         virtual ~Ensemble() = default;

src/BayesNet/bayesnetUtils.cc

@@ -3,6 +3,7 @@
 namespace bayesnet {
     using namespace std;
     using namespace torch;
+    // Return the indices in descending order
     vector<int> argsort(vector<float>& nums)
     {
         int n = nums.size();

src/Platform/Models.h

@@ -9,6 +9,7 @@
 #include "TANLd.h"
 #include "KDBLd.h"
 #include "SPODELd.h"
+#include "AODELd.h"
 namespace platform {
     class Models {
     private:

src/Platform/modelRegister.h

@@ -2,16 +2,18 @@
 #define MODEL_REGISTER_H
 static platform::Registrar registrarT("TAN",
     [](void) -> bayesnet::BaseClassifier* { return new bayesnet::TAN();});
-static platform::Registrar registrarTN("TANLd",
+static platform::Registrar registrarTLD("TANLd",
     [](void) -> bayesnet::BaseClassifier* { return new bayesnet::TANLd();});
 static platform::Registrar registrarS("SPODE",
     [](void) -> bayesnet::BaseClassifier* { return new bayesnet::SPODE(2);});
-static platform::Registrar registrarSN("SPODELd",
+static platform::Registrar registrarSLD("SPODELd",
     [](void) -> bayesnet::BaseClassifier* { return new bayesnet::SPODELd(2);});
 static platform::Registrar registrarK("KDB",
     [](void) -> bayesnet::BaseClassifier* { return new bayesnet::KDB(2);});
-static platform::Registrar registrarKN("KDBLd",
+static platform::Registrar registrarKLD("KDBLd",
     [](void) -> bayesnet::BaseClassifier* { return new bayesnet::KDBLd(2);});
 static platform::Registrar registrarA("AODE",
     [](void) -> bayesnet::BaseClassifier* { return new bayesnet::AODE();});
+static platform::Registrar registrarALD("AODELd",
+    [](void) -> bayesnet::BaseClassifier* { return new bayesnet::AODELd();});
 #endif