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Discretizer (#8)

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* Add better check in testKBins.py

* Add Discretizer base class for Both discretizers

* Refactor order of constructors init
This commit is contained in:
Ricardo Montañana Gómez
2024-06-05 17:53:08 +02:00
committed by GitHub
parent f258fc220f
commit 638bb2a59e
12 changed files with 294 additions and 154 deletions
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11
.vscode/launch.json vendored
View File

@@ -8,15 +8,10 @@
"name": "C++ Launch config",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/build/sample/sample",
"cwd": "${workspaceFolder}/build/sample",
"args": [
"-f",
"glass"
],
"targetArchitecture": "arm64",
"program": "${workspaceFolder}/tests/build/BinDisc_unittest",
"cwd": "${workspaceFolder}/tests/build",
"args": [],
"launchCompleteCommand": "exec-run",
"preLaunchTask": "CMake: build",
"stopAtEntry": false,
"linux": {
"MIMode": "gdb",

86
.vscode/settings.json vendored
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@@ -5,5 +5,89 @@
},
"C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools",
"cmake.configureOnOpen": true,
"sonarlint.pathToCompileCommands": "${workspaceFolder}/build/compile_commands.json"
"sonarlint.pathToCompileCommands": "${workspaceFolder}/build/compile_commands.json",
"files.associations": {
"*.rmd": "markdown",
"*.py": "python",
"vector": "cpp",
"__bit_reference": "cpp",
"__bits": "cpp",
"__config": "cpp",
"__debug": "cpp",
"__errc": "cpp",
"__hash_table": "cpp",
"__locale": "cpp",
"__mutex_base": "cpp",
"__node_handle": "cpp",
"__nullptr": "cpp",
"__split_buffer": "cpp",
"__string": "cpp",
"__threading_support": "cpp",
"__tuple": "cpp",
"array": "cpp",
"atomic": "cpp",
"bitset": "cpp",
"cctype": "cpp",
"chrono": "cpp",
"clocale": "cpp",
"cmath": "cpp",
"compare": "cpp",
"complex": "cpp",
"concepts": "cpp",
"cstdarg": "cpp",
"cstddef": "cpp",
"cstdint": "cpp",
"cstdio": "cpp",
"cstdlib": "cpp",
"cstring": "cpp",
"ctime": "cpp",
"cwchar": "cpp",
"cwctype": "cpp",
"exception": "cpp",
"initializer_list": "cpp",
"ios": "cpp",
"iosfwd": "cpp",
"istream": "cpp",
"limits": "cpp",
"locale": "cpp",
"memory": "cpp",
"mutex": "cpp",
"new": "cpp",
"optional": "cpp",
"ostream": "cpp",
"ratio": "cpp",
"sstream": "cpp",
"stdexcept": "cpp",
"streambuf": "cpp",
"string": "cpp",
"string_view": "cpp",
"system_error": "cpp",
"tuple": "cpp",
"type_traits": "cpp",
"typeinfo": "cpp",
"unordered_map": "cpp",
"variant": "cpp",
"algorithm": "cpp",
"iostream": "cpp",
"iomanip": "cpp",
"numeric": "cpp",
"set": "cpp",
"__tree": "cpp",
"deque": "cpp",
"list": "cpp",
"map": "cpp",
"unordered_set": "cpp",
"any": "cpp",
"condition_variable": "cpp",
"forward_list": "cpp",
"fstream": "cpp",
"stack": "cpp",
"thread": "cpp",
"__memory": "cpp",
"filesystem": "cpp",
"*.toml": "toml",
"utility": "cpp",
"span": "cpp",
"*.tcc": "cpp"
}
}

55
BinDisc.cpp
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@@ -7,7 +7,8 @@
namespace mdlp {
BinDisc::BinDisc(int n_bins, strategy_t strategy) : n_bins{ n_bins }, strategy{ strategy }
BinDisc::BinDisc(int n_bins, strategy_t strategy) :
Discretizer(), n_bins{ n_bins }, strategy{ strategy }
{
if (n_bins < 3) {
throw std::invalid_argument("n_bins must be greater than 2");
@@ -16,6 +17,7 @@ namespace mdlp {
BinDisc::~BinDisc() = default;
void BinDisc::fit(samples_t& X)
{
// y is included for compatibility with the Discretizer interface
cutPoints.clear();
if (X.empty()) {
cutPoints.push_back(std::numeric_limits<precision_t>::max());
@@ -27,6 +29,10 @@ namespace mdlp {
fit_uniform(X);
}
}
void BinDisc::fit(samples_t& X, labels_t& y)
{
fit(X);
}
std::vector<precision_t> linspace(precision_t start, precision_t end, int num)
{
// Doesn't include end point as it is not needed
@@ -90,49 +96,4 @@ namespace mdlp {
// Remove first as it is not needed
cutPoints.erase(cutPoints.begin());
}
labels_t& BinDisc::transform(const samples_t& X)
{
discretizedData.clear();
discretizedData.reserve(X.size());
for (const precision_t& item : X) {
auto upper = std::upper_bound(cutPoints.begin(), cutPoints.end(), item);
discretizedData.push_back(upper - cutPoints.begin());
}
return discretizedData;
}
}
// void BinDisc::fit_quantile(samples_t& X)
// {
// cutPoints.clear();
// if (X.empty()) {
// cutPoints.push_back(std::numeric_limits<float>::max());
// return;
// }
// samples_t data = X;
// std::sort(data.begin(), data.end());
// float min_val = data.front();
// float max_val = data.back();
// // Handle case of all data points having the same value
// if (min_val == max_val) {
// cutPoints.push_back(std::numeric_limits<float>::max());
// return;
// }
// int first = X.size() / n_bins;
// cutPoints.push_back(data.at(first - 1));
// int bins_done = 1;
// int prev = first - 1;
// while (bins_done < n_bins) {
// int next = first * (bins_done + 1) - 1;
// while (next < X.size() && data.at(next) == data[prev]) {
// ++next;
// }
// if (next == X.size() || bins_done == n_bins - 1) {
// cutPoints.push_back(std::numeric_limits<float>::max());
// break;
// } else {
// cutPoints.push_back(data[next]);
// bins_done++;
// prev = next;
// }
// }
// }
}

12
BinDisc.h
View File

@@ -2,6 +2,7 @@
#define BINDISC_H
#include "typesFImdlp.h"
#include "Discretizer.h"
#include <string>
namespace mdlp {
@@ -10,22 +11,19 @@ namespace mdlp {
UNIFORM,
QUANTILE
};
class BinDisc {
class BinDisc : public Discretizer {
public:
BinDisc(int n_bins = 3, strategy_t strategy = strategy_t::UNIFORM);
~BinDisc();
void fit(samples_t&);
inline cutPoints_t getCutPoints() const { return cutPoints; };
labels_t& transform(const samples_t&);
static inline std::string version() { return "1.0.0"; };
// y is included for compatibility with the Discretizer interface
void fit(samples_t& X_, labels_t& y) override;
void fit(samples_t& X);
private:
void fit_uniform(samples_t&);
void fit_quantile(samples_t&);
void normalizeCutPoints();
int n_bins;
strategy_t strategy;
labels_t discretizedData = labels_t();
cutPoints_t cutPoints;
};
}
#endif

19
CPPFImdlp.cpp
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@@ -6,16 +6,14 @@
namespace mdlp {
CPPFImdlp::CPPFImdlp(size_t min_length_, int max_depth_, float proposed) : min_length(min_length_),
CPPFImdlp::CPPFImdlp(size_t min_length_, int max_depth_, float proposed) :
Discretizer(),
min_length(min_length_),
max_depth(max_depth_),
proposed_cuts(proposed)
{
}
CPPFImdlp::CPPFImdlp() = default;
CPPFImdlp::~CPPFImdlp() = default;
size_t CPPFImdlp::compute_max_num_cut_points() const
{
// Set the actual maximum number of cut points as a number or as a percentage of the number of samples
@@ -208,14 +206,5 @@ namespace mdlp {
}
cutPoints.erase(cutPoints.begin() + static_cast<long>(maxEntropyIdx));
}
labels_t& CPPFImdlp::transform(const samples_t& data)
{
discretizedData.clear();
discretizedData.reserve(data.size());
for (const precision_t& item : data) {
auto upper = std::upper_bound(cutPoints.begin(), cutPoints.end(), item);
discretizedData.push_back(upper - cutPoints.begin());
}
return discretizedData;
}
}

16
CPPFImdlp.h
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@@ -6,18 +6,16 @@
#include <utility>
#include <string>
#include "Metrics.h"
#include "Discretizer.h"
namespace mdlp {
class CPPFImdlp {
class CPPFImdlp : public Discretizer {
public:
CPPFImdlp();
CPPFImdlp(size_t, int, float);
~CPPFImdlp();
void fit(samples_t&, labels_t&);
inline cutPoints_t getCutPoints() const { return cutPoints; };
labels_t& transform(const samples_t&);
CPPFImdlp() = default;
CPPFImdlp(size_t min_length_, int max_depth_, float proposed);
virtual ~CPPFImdlp() = default;
void fit(samples_t& X_, labels_t& y_) override;
inline int get_depth() const { return depth; };
static inline std::string version() { return "1.1.3"; };
protected:
size_t min_length = 3;
int depth = 0;
@@ -27,9 +25,7 @@ namespace mdlp {
samples_t X = samples_t();
labels_t y = labels_t();
Metrics metrics = Metrics(y, indices);
cutPoints_t cutPoints;
size_t num_cut_points = numeric_limits<size_t>::max();
labels_t discretizedData = labels_t();
static indices_t sortIndices(samples_t&, labels_t&);
void computeCutPoints(size_t, size_t, int);
void resizeCutPoints();

31
Discretizer.h Normal file
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@@ -0,0 +1,31 @@
#ifndef DISCRETIZER_H
#define DISCRETIZER_H
#include <string>
#include <algorithm>
#include "typesFImdlp.h"
namespace mdlp {
class Discretizer {
public:
Discretizer() = default;
virtual ~Discretizer() = default;
virtual void fit(samples_t& X_, labels_t& y_) = 0;
inline cutPoints_t getCutPoints() const { return cutPoints; };
labels_t& transform(const samples_t& data)
{
discretizedData.clear();
discretizedData.reserve(data.size());
for (const precision_t& item : data) {
auto upper = std::upper_bound(cutPoints.begin(), cutPoints.end(), item);
discretizedData.push_back(upper - cutPoints.begin());
}
return discretizedData;
};
static inline std::string version() { return "1.1.3"; };
protected:
labels_t discretizedData = labels_t();
cutPoints_t cutPoints;
};
}
#endif

71
tests/BinDisc_unittest.cpp
View File

@@ -37,12 +37,13 @@ namespace mdlp {
TEST_F(TestBinDisc3U, Easy3BinsUniform)
{
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 };
fit(X);
auto y = labels_t();
fit(X, y);
auto cuts = getCutPoints();
EXPECT_NEAR(3.66667, cuts[0], margin);
EXPECT_NEAR(6.33333, cuts[1], margin);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
ASSERT_EQ(3, cuts.size());
EXPECT_NEAR(3.66667, cuts.at(0), margin);
EXPECT_NEAR(6.33333, cuts.at(1), margin);
EXPECT_EQ(numeric_limits<float>::max(), cuts.at(2));
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2 };
EXPECT_EQ(expected, labels);
@@ -52,10 +53,10 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 };
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(3, cuts.size());
EXPECT_NEAR(3.666667, cuts[0], margin);
EXPECT_NEAR(6.333333, cuts[1], margin);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2 };
EXPECT_EQ(expected, labels);
@@ -65,10 +66,10 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 };
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(3, cuts.size());
EXPECT_EQ(4.0, cuts[0]);
EXPECT_EQ(7.0, cuts[1]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 2 };
EXPECT_EQ(expected, labels);
@@ -78,10 +79,10 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 };
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(3, cuts.size());
EXPECT_EQ(4, cuts[0]);
EXPECT_EQ(7, cuts[1]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 2 };
EXPECT_EQ(expected, labels);
@@ -91,10 +92,10 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0 };
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(3, cuts.size());
EXPECT_NEAR(4.33333, cuts[0], margin);
EXPECT_NEAR(7.66667, cuts[1], margin);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2 };
EXPECT_EQ(expected, labels);
@@ -104,10 +105,10 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0 };
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(3, cuts.size());
EXPECT_NEAR(4.33333, cuts[0], margin);
EXPECT_NEAR(7.66667, cuts[1], margin);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2 };
EXPECT_EQ(expected, labels);
@@ -117,8 +118,8 @@ namespace mdlp {
samples_t X = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 };
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(1, cuts.size());
EXPECT_EQ(numeric_limits<float>::max(), cuts[0]);
EXPECT_EQ(1, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 0, 0, 0 };
EXPECT_EQ(expected, labels);
@@ -128,8 +129,8 @@ namespace mdlp {
samples_t X = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(numeric_limits<float>::max(), cuts[0]);
EXPECT_EQ(1, cuts.size());
EXPECT_EQ(numeric_limits<float>::max(), cuts[0]);
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 0, 0, 0 };
EXPECT_EQ(expected, labels);
@@ -139,16 +140,16 @@ namespace mdlp {
samples_t X = {};
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(numeric_limits<float>::max(), cuts[0]);
EXPECT_EQ(1, cuts.size());
EXPECT_EQ(numeric_limits<float>::max(), cuts[0]);
}
TEST_F(TestBinDisc3Q, EmptyQuantile)
{
samples_t X = {};
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(numeric_limits<float>::max(), cuts[0]);
EXPECT_EQ(1, cuts.size());
EXPECT_EQ(numeric_limits<float>::max(), cuts[0]);
}
TEST(TestBinDisc3, ExceptionNumberBins)
{
@@ -159,44 +160,38 @@ namespace mdlp {
samples_t X = { 3.0, 1.0, 1.0, 3.0, 1.0, 1.0, 3.0, 1.0, 1.0 };
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(3, cuts.size());
EXPECT_NEAR(1.66667, cuts[0], margin);
EXPECT_NEAR(2.33333, cuts[1], margin);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
auto labels = transform(X);
labels_t expected = { 2, 0, 0, 2, 0, 0, 2, 0, 0 };
EXPECT_EQ(expected, labels);
EXPECT_EQ(3.0, X[0]); // X is not modified
ASSERT_EQ(3.0, X[0]); // X is not modified
}
TEST_F(TestBinDisc3Q, EasyRepeated)
{
samples_t X = { 3.0, 1.0, 1.0, 3.0, 1.0, 1.0, 3.0, 1.0, 1.0 };
fit(X);
auto cuts = getCutPoints();
std::cout << "cuts: ";
for (auto cut : cuts) {
std::cout << cut << " ";
}
std::cout << std::endl;
std::cout << std::string(80, '-') << std::endl;
EXPECT_EQ(2, cuts.size());
EXPECT_NEAR(1.66667, cuts[0], margin);
EXPECT_EQ(numeric_limits<float>::max(), cuts[1]);
EXPECT_EQ(2, cuts.size());
auto labels = transform(X);
labels_t expected = { 1, 0, 0, 1, 0, 0, 1, 0, 0 };
EXPECT_EQ(expected, labels);
EXPECT_EQ(3.0, X[0]); // X is not modified
ASSERT_EQ(3.0, X[0]); // X is not modified
}
TEST_F(TestBinDisc4U, Easy4BinsUniform)
{
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(3.75, cuts[0]);
EXPECT_EQ(4, cuts.size());
ASSERT_EQ(3.75, cuts[0]);
EXPECT_EQ(6.5, cuts[1]);
EXPECT_EQ(9.25, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3 };
EXPECT_EQ(expected, labels);
@@ -206,11 +201,11 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(3.75, cuts[0]);
EXPECT_EQ(4, cuts.size());
ASSERT_EQ(3.75, cuts[0]);
EXPECT_EQ(6.5, cuts[1]);
EXPECT_EQ(9.25, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3 };
EXPECT_EQ(expected, labels);
@@ -220,11 +215,11 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(4, cuts.size());
EXPECT_EQ(4.0, cuts[0]);
EXPECT_EQ(7.0, cuts[1]);
EXPECT_EQ(10.0, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3 };
EXPECT_EQ(expected, labels);
@@ -234,11 +229,11 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(4, cuts.size());
EXPECT_EQ(4.0, cuts[0]);
EXPECT_EQ(7.0, cuts[1]);
EXPECT_EQ(10.0, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3 };
EXPECT_EQ(expected, labels);
@@ -248,11 +243,11 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(4, cuts.size());
EXPECT_EQ(4.25, cuts[0]);
EXPECT_EQ(7.5, cuts[1]);
EXPECT_EQ(10.75, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3 };
EXPECT_EQ(expected, labels);
@@ -262,11 +257,11 @@ namespace mdlp {
samples_t X = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(4, cuts.size());
EXPECT_EQ(4.25, cuts[0]);
EXPECT_EQ(7.5, cuts[1]);
EXPECT_EQ(10.75, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3 };
EXPECT_EQ(expected, labels);
@@ -276,11 +271,11 @@ namespace mdlp {
samples_t X = { 15.0, 8.0, 12.0, 14.0, 6.0, 1.0, 13.0, 11.0, 10.0, 9.0, 7.0, 4.0, 3.0, 5.0, 2.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(4, cuts.size());
EXPECT_EQ(4.5, cuts[0]);
EXPECT_EQ(8, cuts[1]);
EXPECT_EQ(11.5, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 3, 2, 3, 3, 1, 0, 3, 2, 2, 2, 1, 0, 0, 1, 0 };
EXPECT_EQ(expected, labels);
@@ -290,11 +285,11 @@ namespace mdlp {
samples_t X = { 15.0, 13.0, 12.0, 14.0, 6.0, 1.0, 8.0, 11.0, 10.0, 9.0, 7.0, 4.0, 3.0, 5.0, 2.0 };
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(4, cuts.size());
EXPECT_EQ(4.5, cuts[0]);
EXPECT_EQ(8, cuts[1]);
EXPECT_EQ(11.5, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 3, 3, 3, 3, 1, 0, 2, 2, 2, 2, 1, 0, 0, 1, 0 };
EXPECT_EQ(expected, labels);
@@ -305,11 +300,11 @@ namespace mdlp {
// 0 1 2 3 4 5 6 7 8 9
fit(X);
auto cuts = getCutPoints();
EXPECT_EQ(4, cuts.size());
EXPECT_EQ(1.0, cuts[0]);
EXPECT_EQ(2.0, cuts[1]);
EXPECT_EQ(3.0, cuts[2]);
ASSERT_EQ(3.0, cuts[2]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[3]);
EXPECT_EQ(4, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 1, 1, 1, 2, 2, 3, 3, 3, 3 };
EXPECT_EQ(expected, labels);
@@ -320,10 +315,10 @@ namespace mdlp {
// 0 1 2 3 4 5 6 7 8 9
fit(X);
auto cuts = getCutPoints();
ASSERT_EQ(3, cuts.size());
EXPECT_EQ(2.0, cuts[0]);
EXPECT_EQ(3.0, cuts[1]);
ASSERT_EQ(3.0, cuts[1]);
EXPECT_EQ(numeric_limits<float>::max(), cuts[2]);
EXPECT_EQ(3, cuts.size());
auto labels = transform(X);
labels_t expected = { 0, 0, 0, 0, 1, 1, 2, 2, 2, 2 };
EXPECT_EQ(expected, labels);

23
tests/CMakeLists.txt
View File

@@ -16,19 +16,28 @@ FetchContent_MakeAvailable(googletest)
enable_testing()
add_executable(Metrics_unittest ../Metrics.cpp Metrics_unittest.cpp)
add_executable(FImdlp_unittest ../CPPFImdlp.cpp ArffFiles.cpp ../Metrics.cpp FImdlp_unittest.cpp)
add_executable(BinDisc_unittest ../BinDisc.cpp ArffFiles.cpp BinDisc_unittest.cpp)
target_link_libraries(Metrics_unittest GTest::gtest_main)
target_link_libraries(FImdlp_unittest GTest::gtest_main)
target_link_libraries(BinDisc_unittest GTest::gtest_main)
target_compile_options(Metrics_unittest PRIVATE --coverage)
target_compile_options(FImdlp_unittest PRIVATE --coverage)
target_compile_options(BinDisc_unittest PRIVATE --coverage)
target_link_options(Metrics_unittest PRIVATE --coverage)
add_executable(FImdlp_unittest ../CPPFImdlp.cpp ArffFiles.cpp ../Metrics.cpp FImdlp_unittest.cpp)
target_link_libraries(FImdlp_unittest GTest::gtest_main)
target_compile_options(FImdlp_unittest PRIVATE --coverage)
target_link_options(FImdlp_unittest PRIVATE --coverage)
add_executable(BinDisc_unittest ../BinDisc.cpp ArffFiles.cpp BinDisc_unittest.cpp)
target_link_libraries(BinDisc_unittest GTest::gtest_main)
target_compile_options(BinDisc_unittest PRIVATE --coverage)
target_link_options(BinDisc_unittest PRIVATE --coverage)
add_executable(Discretizer_unittest ../BinDisc.cpp ../CPPFImdlp.cpp ArffFiles.cpp ../Metrics.cpp Discretizer_unittest.cpp)
target_link_libraries(Discretizer_unittest GTest::gtest_main)
target_compile_options(Discretizer_unittest PRIVATE --coverage)
target_link_options(Discretizer_unittest PRIVATE --coverage)
include(GoogleTest)
gtest_discover_tests(Metrics_unittest)
gtest_discover_tests(FImdlp_unittest)
gtest_discover_tests(BinDisc_unittest)
gtest_discover_tests(BinDisc_unittest)
gtest_discover_tests(Discretizer_unittest)

74
tests/Discretizer_unittest.cpp Normal file
View File

@@ -0,0 +1,74 @@
#include <fstream>
#include <string>
#include <iostream>
#include "gtest/gtest.h"
#include "ArffFiles.h"
#include "../Discretizer.h"
#include "../BinDisc.h"
#include "../CPPFImdlp.h"
namespace mdlp {
const float margin = 1e-4;
static std::string set_data_path()
{
std::string path = "../datasets/";
std::ifstream file(path + "iris.arff");
if (file.is_open()) {
file.close();
return path;
}
return "../../tests/datasets/";
}
const std::string data_path = set_data_path();
TEST(Discretizer, BinIrisUniform)
{
ArffFiles file;
Discretizer* disc = new BinDisc(4, strategy_t::UNIFORM);
file.load(data_path + "iris.arff", true);
vector<samples_t>& X = file.getX();
auto y = labels_t();
disc->fit(X[0], y);
auto Xt = disc->transform(X[0]);
labels_t expected = { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 2, 2, 1, 2, 1, 2, 0, 2, 0, 0, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 0, 1, 1, 1, 2, 0, 1, 2, 1, 3, 2, 2, 3, 0, 3, 2, 3, 2, 2, 2, 1, 1, 2, 2, 3, 3, 1, 2, 1, 3, 2, 2, 3, 2, 1, 2, 3, 3, 3, 2, 2, 1, 3, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 };
delete disc;
EXPECT_EQ(expected, Xt);
}
TEST(Discretizer, BinIrisQuantile)
{
ArffFiles file;
Discretizer* disc = new BinDisc(4, strategy_t::QUANTILE);
file.load(data_path + "iris.arff", true);
vector<samples_t>& X = file.getX();
auto y = labels_t();
disc->fit(X[0], y);
auto Xt = disc->transform(X[0]);
labels_t expected = { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 3, 3, 3, 1, 3, 1, 2, 0, 3, 1, 0, 2, 2, 2, 1, 3, 1, 2, 2, 1, 2, 2, 2, 2, 3, 3, 3, 3, 2, 1, 1, 1, 2, 2, 1, 2, 3, 2, 1, 1, 1, 2, 2, 0, 1, 1, 1, 2, 1, 1, 2, 2, 3, 2, 3, 3, 0, 3, 3, 3, 3, 3, 3, 1, 2, 3, 3, 3, 3, 2, 3, 1, 3, 2, 3, 3, 2, 2, 3, 3, 3, 3, 3, 2, 2, 3, 2, 3, 2, 3, 3, 3, 2, 3, 3, 3, 2, 3, 2, 2 };
delete disc;
EXPECT_EQ(expected, Xt);
}
TEST(Discretizer, FImdlpIris)
{
labels_t expected = {
5, 3, 4, 4, 5, 5, 5, 5, 2, 4, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5,
5, 4, 5, 3, 5, 5, 5, 4, 4, 5, 5, 5, 4, 4, 5, 4, 3, 5, 5, 0, 4, 5,
5, 3, 5, 4, 5, 4, 4, 4, 4, 0, 1, 1, 4, 0, 2, 0, 0, 3, 0, 2, 2, 4,
3, 0, 0, 0, 4, 1, 0, 1, 2, 3, 1, 3, 2, 0, 0, 0, 0, 0, 3, 5, 4, 0,
3, 0, 0, 3, 0, 0, 0, 3, 2, 2, 0, 1, 4, 0, 3, 2, 3, 3, 0, 2, 0, 5,
4, 0, 3, 0, 1, 4, 3, 5, 0, 0, 4, 1, 1, 0, 4, 4, 1, 3, 1, 3, 1, 5,
1, 1, 0, 3, 5, 4, 3, 4, 4, 4, 0, 4, 4, 3, 0, 3, 5, 3
};
ArffFiles file;
Discretizer* disc = new CPPFImdlp();
file.load(data_path + "iris.arff", true);
vector<samples_t>& X = file.getX();
labels_t& y = file.getY();
disc->fit(X[1], y);
auto computed = disc->transform(X[1]);
delete disc;
EXPECT_EQ(computed.size(), expected.size());
for (unsigned long i = 0; i < computed.size(); i++) {
EXPECT_EQ(computed[i], expected[i]);
}
}
}

4
tests/test
View File

@@ -5,7 +5,7 @@ fi
if [ -d gcovr-report ] ; then
rm -fr gcovr-report
fi
cmake -S . -B build -Wno-dev
cmake -S . -B build -Wno-dev -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="--coverage" -DCMAKE_C_FLAGS="--coverage"
cmake --build build
cd build
ctest --output-on-failure
@@ -15,4 +15,4 @@ mkdir gcovr-report
#lcov --remove lcoverage/main_coverage.info 'v1/*' '/Applications/*' '*/tests/*' --output-file lcoverage/main_coverage.info -q
#lcov --list lcoverage/main_coverage.info
cd ..
gcovr --gcov-filter "CPPFImdlp.cpp" --gcov-filter "Metrics.cpp" --gcov-filter "BinDisc.cpp" --txt --sonarqube=tests/gcovr-report/coverage.xml --exclude-noncode-lines
gcovr --gcov-filter "CPPFImdlp.cpp" --gcov-filter "Metrics.cpp" --gcov-filter "BinDisc.cpp" --gcov-filter "Discretizer.h" --txt --sonarqube=tests/gcovr-report/coverage.xml --exclude-noncode-lines

46
tests/testKbins.py
View File

@@ -89,6 +89,7 @@ print(f"Quaintile {clf4q.bin_edges_=}")
print("-" * 80)
#
data, meta = loadarff("tests/datasets/iris.arff")
labelsu = [
0,
0,
@@ -117,12 +118,12 @@ labelsu = [
0,
0,
0,
1,
1,
0,
0,
0,
0,
1,
1,
0,
1,
0,
0,
@@ -149,11 +150,11 @@ labelsu = [
2,
0,
2,
1,
0,
0,
1,
1,
2,
1,
1,
2,
1,
@@ -161,9 +162,9 @@ labelsu = [
2,
1,
1,
1,
2,
2,
2,
1,
2,
2,
2,
@@ -181,7 +182,7 @@ labelsu = [
1,
1,
1,
2,
1,
1,
0,
1,
@@ -217,14 +218,14 @@ labelsu = [
2,
3,
2,
2,
1,
2,
3,
3,
3,
2,
2,
2,
1,
3,
2,
2,
@@ -393,12 +394,19 @@ labelsq = [
2,
2,
]
test(clf4u, data["sepallength"], labelsu, title="IrisUniform")
test(clf4q, data["sepallength"], labelsq, title="IrisQuantile")
# print("Labels")
# print(labels)
# print("Expected")
# print(expected)
# for i in range(len(labels)):
# if labels[i] != expected[i]:
# print(f"Error at {i} {labels[i]} != {expected[i]}")
# test(clf4u, data["sepallength"], labelsu, title="IrisUniform")
# test(clf4q, data["sepallength"], labelsq, title="IrisQuantile")
sepallength = [[x] for x in data["sepallength"]]
clf4u.fit(sepallength)
clf4q.fit(sepallength)
computedu = clf4u.transform(sepallength)
computedq = clf4q.transform(sepallength)
wrongu = 0
wrongq = 0
for i in range(len(labelsu)):
if labelsu[i] != computedu[i]:
wrongu += 1
if labelsq[i] != computedq[i]:
wrongq += 1
print(f"Iris sepallength diff. between BinDisc & sklearn::KBins Uniform ={wrongu:3d}")
print(f"Iris sepallength diff. between BinDisc & sklearn::KBins Quantile ={wrongq:3d}")