Convert ArffFile library to header only library
This commit is contained in:
parent
2584e8294d
commit
22b742f068
@ -25,8 +25,11 @@ set(CMAKE_CXX_EXTENSIONS OFF)
|
||||
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TORCH_CXX_FLAGS}")
|
||||
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
|
||||
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage -fno-elide-constructors -fno-default-inline")
|
||||
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage -fno-elide-constructors")
|
||||
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
|
||||
if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
|
||||
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fno-default-inline")
|
||||
endif()
|
||||
|
||||
# Options
|
||||
# -------
|
||||
@ -63,7 +66,6 @@ endif (ENABLE_CLANG_TIDY)
|
||||
# include(FetchContent)
|
||||
add_git_submodule("lib/json")
|
||||
add_git_submodule("lib/mdlp")
|
||||
add_subdirectory("lib/Files")
|
||||
|
||||
# Subdirectories
|
||||
# --------------
|
||||
|
@ -4,7 +4,7 @@
|
||||
// SPDX-License-Identifier: MIT
|
||||
// ***************************************************************
|
||||
|
||||
#include <ArffFiles.h>
|
||||
#include <ArffFiles.hpp>
|
||||
#include "Proposal.h"
|
||||
|
||||
namespace bayesnet {
|
||||
|
@ -1,171 +0,0 @@
|
||||
#include "ArffFiles.h"
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <map>
|
||||
#include <iostream>
|
||||
|
||||
std::vector<std::string> ArffFiles::getLines() const
|
||||
{
|
||||
return lines;
|
||||
}
|
||||
|
||||
unsigned long int ArffFiles::getSize() const
|
||||
{
|
||||
return lines.size();
|
||||
}
|
||||
|
||||
std::vector<std::pair<std::string, std::string>> ArffFiles::getAttributes() const
|
||||
{
|
||||
return attributes;
|
||||
}
|
||||
|
||||
std::string ArffFiles::getClassName() const
|
||||
{
|
||||
return className;
|
||||
}
|
||||
|
||||
std::string ArffFiles::getClassType() const
|
||||
{
|
||||
return classType;
|
||||
}
|
||||
|
||||
std::vector<std::vector<float>>& ArffFiles::getX()
|
||||
{
|
||||
return X;
|
||||
}
|
||||
|
||||
std::vector<int>& ArffFiles::getY()
|
||||
{
|
||||
return y;
|
||||
}
|
||||
|
||||
void ArffFiles::loadCommon(const std::string& fileName)
|
||||
{
|
||||
std::ifstream file(fileName);
|
||||
if (!file.is_open()) {
|
||||
throw std::invalid_argument("Unable to open file");
|
||||
}
|
||||
std::string line;
|
||||
std::string keyword;
|
||||
std::string attribute;
|
||||
std::string type;
|
||||
std::string type_w;
|
||||
// Read file
|
||||
while (getline(file, line)) {
|
||||
if (line.empty() || line[0] == '%' || line == "\r" || line == " ") {
|
||||
// Skip comments and empty lines
|
||||
continue;
|
||||
}
|
||||
if (line.find("@attribute") != std::string::npos || line.find("@ATTRIBUTE") != std::string::npos) {
|
||||
// Read attributes
|
||||
std::stringstream ss(line);
|
||||
ss >> keyword >> attribute;
|
||||
type = "";
|
||||
while (ss >> type_w)
|
||||
type += type_w + " ";
|
||||
attributes.emplace_back(trim(attribute), trim(type));
|
||||
continue;
|
||||
}
|
||||
if (line[0] == '@') {
|
||||
continue;
|
||||
}
|
||||
// Read data
|
||||
lines.push_back(line);
|
||||
}
|
||||
file.close();
|
||||
if (attributes.empty())
|
||||
throw std::invalid_argument("No attributes found");
|
||||
}
|
||||
|
||||
void ArffFiles::load(const std::string& fileName, bool classLast)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
if (classLast) {
|
||||
className = std::get<0>(attributes.back());
|
||||
classType = std::get<1>(attributes.back());
|
||||
attributes.pop_back();
|
||||
labelIndex = static_cast<int>(attributes.size());
|
||||
} else {
|
||||
className = std::get<0>(attributes.front());
|
||||
classType = std::get<1>(attributes.front());
|
||||
attributes.erase(attributes.begin());
|
||||
labelIndex = 0;
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
}
|
||||
void ArffFiles::load(const std::string& fileName, const std::string& name)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
bool found = false;
|
||||
for (int i = 0; i < attributes.size(); ++i) {
|
||||
if (attributes[i].first == name) {
|
||||
className = std::get<0>(attributes[i]);
|
||||
classType = std::get<1>(attributes[i]);
|
||||
attributes.erase(attributes.begin() + i);
|
||||
labelIndex = i;
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!found) {
|
||||
throw std::invalid_argument("Class name not found");
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
}
|
||||
|
||||
void ArffFiles::generateDataset(int labelIndex)
|
||||
{
|
||||
X = std::vector<std::vector<float>>(attributes.size(), std::vector<float>(lines.size()));
|
||||
auto yy = std::vector<std::string>(lines.size(), "");
|
||||
auto removeLines = std::vector<int>(); // Lines with missing values
|
||||
size_t numLine = 0;
|
||||
for (numLine = 0; numLine < lines.size(); numLine++) {
|
||||
std::stringstream ss(lines[numLine]);
|
||||
std::string value;
|
||||
int pos = 0;
|
||||
int xIndex = 0;
|
||||
while (getline(ss, value, ',')) {
|
||||
if (pos++ == labelIndex) {
|
||||
yy[numLine] = value;
|
||||
} else {
|
||||
if (value == "?") {
|
||||
X[xIndex++][numLine] = -1;
|
||||
removeLines.push_back(numLine);
|
||||
} else
|
||||
X[xIndex++][numLine] = stof(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
for (auto i : removeLines) {
|
||||
yy.erase(yy.begin() + i);
|
||||
for (auto& x : X) {
|
||||
x.erase(x.begin() + i);
|
||||
}
|
||||
}
|
||||
y = factorize(yy);
|
||||
}
|
||||
|
||||
std::string ArffFiles::trim(const std::string& source)
|
||||
{
|
||||
std::string s(source);
|
||||
s.erase(0, s.find_first_not_of(" '\n\r\t"));
|
||||
s.erase(s.find_last_not_of(" '\n\r\t") + 1);
|
||||
return s;
|
||||
}
|
||||
|
||||
std::vector<int> ArffFiles::factorize(const std::vector<std::string>& labels_t)
|
||||
{
|
||||
std::vector<int> yy;
|
||||
yy.reserve(labels_t.size());
|
||||
std::map<std::string, int> labelMap;
|
||||
int i = 0;
|
||||
for (const std::string& label : labels_t) {
|
||||
if (labelMap.find(label) == labelMap.end()) {
|
||||
labelMap[label] = i++;
|
||||
}
|
||||
yy.push_back(labelMap[label]);
|
||||
}
|
||||
return yy;
|
||||
}
|
@ -1,33 +0,0 @@
|
||||
#ifndef ARFFFILES_H
|
||||
#define ARFFFILES_H
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
class ArffFiles {
|
||||
public:
|
||||
ArffFiles() = default;
|
||||
void load(const std::string&, bool = true);
|
||||
void load(const std::string&, const std::string&);
|
||||
std::vector<std::string> getLines() const;
|
||||
unsigned long int getSize() const;
|
||||
std::string getClassName() const;
|
||||
std::string getClassType() const;
|
||||
static std::string trim(const std::string&);
|
||||
std::vector<std::vector<float>>& getX();
|
||||
std::vector<int>& getY();
|
||||
std::vector<std::pair<std::string, std::string>> getAttributes() const;
|
||||
static std::vector<int> factorize(const std::vector<std::string>& labels_t);
|
||||
protected:
|
||||
std::vector<std::string> lines;
|
||||
std::vector<std::pair<std::string, std::string>> attributes;
|
||||
std::string className;
|
||||
std::string classType;
|
||||
std::vector<std::vector<float>> X;
|
||||
std::vector<int> y;
|
||||
int maxLines = 0;
|
||||
void generateDataset(int);
|
||||
void loadCommon(const std::string&);
|
||||
};
|
||||
|
||||
#endif
|
161
lib/Files/ArffFiles.hpp
Normal file
161
lib/Files/ArffFiles.hpp
Normal file
@ -0,0 +1,161 @@
|
||||
#ifndef ARFFFILES_HPP
|
||||
#define ARFFFILES_HPP
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <map>
|
||||
#include <cctype> // std::isdigit
|
||||
#include <algorithm> // std::all_of
|
||||
#include <iostream>
|
||||
|
||||
class ArffFiles {
|
||||
public:
|
||||
ArffFiles() = default;
|
||||
void load(const std::string& fileName, bool classLast = true)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
if (classLast) {
|
||||
className = std::get<0>(attributes.back());
|
||||
classType = std::get<1>(attributes.back());
|
||||
attributes.pop_back();
|
||||
labelIndex = static_cast<int>(attributes.size());
|
||||
} else {
|
||||
className = std::get<0>(attributes.front());
|
||||
classType = std::get<1>(attributes.front());
|
||||
attributes.erase(attributes.begin());
|
||||
labelIndex = 0;
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
};
|
||||
void load(const std::string& fileName, const std::string& name)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
bool found = false;
|
||||
for (int i = 0; i < attributes.size(); ++i) {
|
||||
if (attributes[i].first == name) {
|
||||
className = std::get<0>(attributes[i]);
|
||||
classType = std::get<1>(attributes[i]);
|
||||
attributes.erase(attributes.begin() + i);
|
||||
labelIndex = i;
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!found) {
|
||||
throw std::invalid_argument("Class name not found");
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
};
|
||||
std::vector<std::string> getLines() const { return lines; };
|
||||
unsigned long int getSize() const { return lines.size(); };
|
||||
std::string getClassName() const { return className; };
|
||||
std::string getClassType() const { return classType; };
|
||||
std::vector<std::string> getLabels() const { return labels; }
|
||||
static std::string trim(const std::string& source)
|
||||
{
|
||||
std::string s(source);
|
||||
s.erase(0, s.find_first_not_of(" '\n\r\t"));
|
||||
s.erase(s.find_last_not_of(" '\n\r\t") + 1);
|
||||
return s;
|
||||
};
|
||||
std::vector<std::vector<float>>& getX() { return X; };
|
||||
std::vector<int>& getY() { return y; }
|
||||
std::vector<std::pair<std::string, std::string>> getAttributes() const { return attributes; };
|
||||
std::vector<int> factorize(const std::vector<std::string>& labels_t)
|
||||
{
|
||||
std::vector<int> yy;
|
||||
labels.clear();
|
||||
yy.reserve(labels_t.size());
|
||||
std::map<std::string, int> labelMap;
|
||||
int i = 0;
|
||||
for (const std::string& label : labels_t) {
|
||||
if (labelMap.find(label) == labelMap.end()) {
|
||||
labelMap[label] = i++;
|
||||
bool allDigits = std::all_of(label.begin(), label.end(), isdigit);
|
||||
if (allDigits)
|
||||
labels.push_back("Class " + label);
|
||||
else
|
||||
labels.push_back(label);
|
||||
}
|
||||
yy.push_back(labelMap[label]);
|
||||
}
|
||||
return yy;
|
||||
};
|
||||
private:
|
||||
void generateDataset(int labelIndex)
|
||||
{
|
||||
X = std::vector<std::vector<float>>(attributes.size(), std::vector<float>(lines.size()));
|
||||
auto yy = std::vector<std::string>(lines.size(), "");
|
||||
auto removeLines = std::vector<int>(); // Lines with missing values
|
||||
for (size_t i = 0; i < lines.size(); i++) {
|
||||
std::stringstream ss(lines[i]);
|
||||
std::string value;
|
||||
int pos = 0;
|
||||
int xIndex = 0;
|
||||
while (getline(ss, value, ',')) {
|
||||
if (pos++ == labelIndex) {
|
||||
yy[i] = value;
|
||||
} else {
|
||||
if (value == "?") {
|
||||
X[xIndex++][i] = -1;
|
||||
removeLines.push_back(i);
|
||||
} else
|
||||
X[xIndex++][i] = stof(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
for (auto i : removeLines) {
|
||||
yy.erase(yy.begin() + i);
|
||||
for (auto& x : X) {
|
||||
x.erase(x.begin() + i);
|
||||
}
|
||||
}
|
||||
y = factorize(yy);
|
||||
};
|
||||
void loadCommon(std::string fileName)
|
||||
{
|
||||
std::ifstream file(fileName);
|
||||
if (!file.is_open()) {
|
||||
throw std::invalid_argument("Unable to open file");
|
||||
}
|
||||
std::string line;
|
||||
std::string keyword;
|
||||
std::string attribute;
|
||||
std::string type;
|
||||
std::string type_w;
|
||||
while (getline(file, line)) {
|
||||
if (line.empty() || line[0] == '%' || line == "\r" || line == " ") {
|
||||
continue;
|
||||
}
|
||||
if (line.find("@attribute") != std::string::npos || line.find("@ATTRIBUTE") != std::string::npos) {
|
||||
std::stringstream ss(line);
|
||||
ss >> keyword >> attribute;
|
||||
type = "";
|
||||
while (ss >> type_w)
|
||||
type += type_w + " ";
|
||||
attributes.emplace_back(trim(attribute), trim(type));
|
||||
continue;
|
||||
}
|
||||
if (line[0] == '@') {
|
||||
continue;
|
||||
}
|
||||
lines.push_back(line);
|
||||
}
|
||||
file.close();
|
||||
if (attributes.empty())
|
||||
throw std::invalid_argument("No attributes found");
|
||||
};
|
||||
std::vector<std::string> lines;
|
||||
std::vector<std::pair<std::string, std::string>> attributes;
|
||||
std::string className;
|
||||
std::string classType;
|
||||
std::vector<std::vector<float>> X;
|
||||
std::vector<int> y;
|
||||
std::vector<std::string> labels;
|
||||
};
|
||||
|
||||
#endif
|
@ -1 +0,0 @@
|
||||
add_library(ArffFiles ArffFiles.cc)
|
1
lib/catch2
Submodule
1
lib/catch2
Submodule
@ -0,0 +1 @@
|
||||
Subproject commit 029fe3b4609dd84cd939b73357f37bbb75bcf82f
|
@ -14,7 +14,6 @@ include_directories(
|
||||
/usr/local/include
|
||||
)
|
||||
|
||||
add_subdirectory(lib/Files)
|
||||
add_subdirectory(lib/mdlp)
|
||||
add_executable(bayesnet_sample sample.cc)
|
||||
target_link_libraries(bayesnet_sample ArffFiles mdlp "${TORCH_LIBRARIES}" "${BayesNet}")
|
||||
target_link_libraries(bayesnet_sample mdlp "${TORCH_LIBRARIES}" "${BayesNet}")
|
@ -1,174 +0,0 @@
|
||||
// ***************************************************************
|
||||
// SPDX-FileCopyrightText: Copyright 2024 Ricardo Montañana Gómez
|
||||
// SPDX-FileType: SOURCE
|
||||
// SPDX-License-Identifier: MIT
|
||||
// ***************************************************************
|
||||
|
||||
#include "ArffFiles.h"
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <map>
|
||||
#include <iostream>
|
||||
|
||||
ArffFiles::ArffFiles() = default;
|
||||
|
||||
std::vector<std::string> ArffFiles::getLines() const
|
||||
{
|
||||
return lines;
|
||||
}
|
||||
|
||||
unsigned long int ArffFiles::getSize() const
|
||||
{
|
||||
return lines.size();
|
||||
}
|
||||
|
||||
std::vector<std::pair<std::string, std::string>> ArffFiles::getAttributes() const
|
||||
{
|
||||
return attributes;
|
||||
}
|
||||
|
||||
std::string ArffFiles::getClassName() const
|
||||
{
|
||||
return className;
|
||||
}
|
||||
|
||||
std::string ArffFiles::getClassType() const
|
||||
{
|
||||
return classType;
|
||||
}
|
||||
|
||||
std::vector<std::vector<float>>& ArffFiles::getX()
|
||||
{
|
||||
return X;
|
||||
}
|
||||
|
||||
std::vector<int>& ArffFiles::getY()
|
||||
{
|
||||
return y;
|
||||
}
|
||||
|
||||
void ArffFiles::loadCommon(std::string fileName)
|
||||
{
|
||||
std::ifstream file(fileName);
|
||||
if (!file.is_open()) {
|
||||
throw std::invalid_argument("Unable to open file");
|
||||
}
|
||||
std::string line;
|
||||
std::string keyword;
|
||||
std::string attribute;
|
||||
std::string type;
|
||||
std::string type_w;
|
||||
while (getline(file, line)) {
|
||||
if (line.empty() || line[0] == '%' || line == "\r" || line == " ") {
|
||||
continue;
|
||||
}
|
||||
if (line.find("@attribute") != std::string::npos || line.find("@ATTRIBUTE") != std::string::npos) {
|
||||
std::stringstream ss(line);
|
||||
ss >> keyword >> attribute;
|
||||
type = "";
|
||||
while (ss >> type_w)
|
||||
type += type_w + " ";
|
||||
attributes.emplace_back(trim(attribute), trim(type));
|
||||
continue;
|
||||
}
|
||||
if (line[0] == '@') {
|
||||
continue;
|
||||
}
|
||||
lines.push_back(line);
|
||||
}
|
||||
file.close();
|
||||
if (attributes.empty())
|
||||
throw std::invalid_argument("No attributes found");
|
||||
}
|
||||
|
||||
void ArffFiles::load(const std::string& fileName, bool classLast)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
if (classLast) {
|
||||
className = std::get<0>(attributes.back());
|
||||
classType = std::get<1>(attributes.back());
|
||||
attributes.pop_back();
|
||||
labelIndex = static_cast<int>(attributes.size());
|
||||
} else {
|
||||
className = std::get<0>(attributes.front());
|
||||
classType = std::get<1>(attributes.front());
|
||||
attributes.erase(attributes.begin());
|
||||
labelIndex = 0;
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
}
|
||||
void ArffFiles::load(const std::string& fileName, const std::string& name)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
bool found = false;
|
||||
for (int i = 0; i < attributes.size(); ++i) {
|
||||
if (attributes[i].first == name) {
|
||||
className = std::get<0>(attributes[i]);
|
||||
classType = std::get<1>(attributes[i]);
|
||||
attributes.erase(attributes.begin() + i);
|
||||
labelIndex = i;
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!found) {
|
||||
throw std::invalid_argument("Class name not found");
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
}
|
||||
|
||||
void ArffFiles::generateDataset(int labelIndex)
|
||||
{
|
||||
X = std::vector<std::vector<float>>(attributes.size(), std::vector<float>(lines.size()));
|
||||
auto yy = std::vector<std::string>(lines.size(), "");
|
||||
auto removeLines = std::vector<int>(); // Lines with missing values
|
||||
for (size_t i = 0; i < lines.size(); i++) {
|
||||
std::stringstream ss(lines[i]);
|
||||
std::string value;
|
||||
int pos = 0;
|
||||
int xIndex = 0;
|
||||
while (getline(ss, value, ',')) {
|
||||
if (pos++ == labelIndex) {
|
||||
yy[i] = value;
|
||||
} else {
|
||||
if (value == "?") {
|
||||
X[xIndex++][i] = -1;
|
||||
removeLines.push_back(i);
|
||||
} else
|
||||
X[xIndex++][i] = stof(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
for (auto i : removeLines) {
|
||||
yy.erase(yy.begin() + i);
|
||||
for (auto& x : X) {
|
||||
x.erase(x.begin() + i);
|
||||
}
|
||||
}
|
||||
y = factorize(yy);
|
||||
}
|
||||
|
||||
std::string ArffFiles::trim(const std::string& source)
|
||||
{
|
||||
std::string s(source);
|
||||
s.erase(0, s.find_first_not_of(" '\n\r\t"));
|
||||
s.erase(s.find_last_not_of(" '\n\r\t") + 1);
|
||||
return s;
|
||||
}
|
||||
|
||||
std::vector<int> ArffFiles::factorize(const std::vector<std::string>& labels_t)
|
||||
{
|
||||
std::vector<int> yy;
|
||||
yy.reserve(labels_t.size());
|
||||
std::map<std::string, int> labelMap;
|
||||
int i = 0;
|
||||
for (const std::string& label : labels_t) {
|
||||
if (labelMap.find(label) == labelMap.end()) {
|
||||
labelMap[label] = i++;
|
||||
}
|
||||
yy.push_back(labelMap[label]);
|
||||
}
|
||||
return yy;
|
||||
}
|
@ -1,38 +0,0 @@
|
||||
// ***************************************************************
|
||||
// SPDX-FileCopyrightText: Copyright 2024 Ricardo Montañana Gómez
|
||||
// SPDX-FileType: SOURCE
|
||||
// SPDX-License-Identifier: MIT
|
||||
// ***************************************************************
|
||||
|
||||
#ifndef ARFFFILES_H
|
||||
#define ARFFFILES_H
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
class ArffFiles {
|
||||
private:
|
||||
std::vector<std::string> lines;
|
||||
std::vector<std::pair<std::string, std::string>> attributes;
|
||||
std::string className;
|
||||
std::string classType;
|
||||
std::vector<std::vector<float>> X;
|
||||
std::vector<int> y;
|
||||
void generateDataset(int);
|
||||
void loadCommon(std::string);
|
||||
public:
|
||||
ArffFiles();
|
||||
void load(const std::string&, bool = true);
|
||||
void load(const std::string&, const std::string&);
|
||||
std::vector<std::string> getLines() const;
|
||||
unsigned long int getSize() const;
|
||||
std::string getClassName() const;
|
||||
std::string getClassType() const;
|
||||
static std::string trim(const std::string&);
|
||||
std::vector<std::vector<float>>& getX();
|
||||
std::vector<int>& getY();
|
||||
std::vector<std::pair<std::string, std::string>> getAttributes() const;
|
||||
static std::vector<int> factorize(const std::vector<std::string>& labels_t);
|
||||
};
|
||||
|
||||
#endif
|
161
sample/lib/Files/ArffFiles.hpp
Normal file
161
sample/lib/Files/ArffFiles.hpp
Normal file
@ -0,0 +1,161 @@
|
||||
#ifndef ARFFFILES_HPP
|
||||
#define ARFFFILES_HPP
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <map>
|
||||
#include <cctype> // std::isdigit
|
||||
#include <algorithm> // std::all_of
|
||||
#include <iostream>
|
||||
|
||||
class ArffFiles {
|
||||
public:
|
||||
ArffFiles() = default;
|
||||
void load(const std::string& fileName, bool classLast = true)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
if (classLast) {
|
||||
className = std::get<0>(attributes.back());
|
||||
classType = std::get<1>(attributes.back());
|
||||
attributes.pop_back();
|
||||
labelIndex = static_cast<int>(attributes.size());
|
||||
} else {
|
||||
className = std::get<0>(attributes.front());
|
||||
classType = std::get<1>(attributes.front());
|
||||
attributes.erase(attributes.begin());
|
||||
labelIndex = 0;
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
};
|
||||
void load(const std::string& fileName, const std::string& name)
|
||||
{
|
||||
int labelIndex;
|
||||
loadCommon(fileName);
|
||||
bool found = false;
|
||||
for (int i = 0; i < attributes.size(); ++i) {
|
||||
if (attributes[i].first == name) {
|
||||
className = std::get<0>(attributes[i]);
|
||||
classType = std::get<1>(attributes[i]);
|
||||
attributes.erase(attributes.begin() + i);
|
||||
labelIndex = i;
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!found) {
|
||||
throw std::invalid_argument("Class name not found");
|
||||
}
|
||||
generateDataset(labelIndex);
|
||||
};
|
||||
std::vector<std::string> getLines() const { return lines; };
|
||||
unsigned long int getSize() const { return lines.size(); };
|
||||
std::string getClassName() const { return className; };
|
||||
std::string getClassType() const { return classType; };
|
||||
std::vector<std::string> getLabels() const { return labels; }
|
||||
static std::string trim(const std::string& source)
|
||||
{
|
||||
std::string s(source);
|
||||
s.erase(0, s.find_first_not_of(" '\n\r\t"));
|
||||
s.erase(s.find_last_not_of(" '\n\r\t") + 1);
|
||||
return s;
|
||||
};
|
||||
std::vector<std::vector<float>>& getX() { return X; };
|
||||
std::vector<int>& getY() { return y; }
|
||||
std::vector<std::pair<std::string, std::string>> getAttributes() const { return attributes; };
|
||||
std::vector<int> factorize(const std::vector<std::string>& labels_t)
|
||||
{
|
||||
std::vector<int> yy;
|
||||
labels.clear();
|
||||
yy.reserve(labels_t.size());
|
||||
std::map<std::string, int> labelMap;
|
||||
int i = 0;
|
||||
for (const std::string& label : labels_t) {
|
||||
if (labelMap.find(label) == labelMap.end()) {
|
||||
labelMap[label] = i++;
|
||||
bool allDigits = std::all_of(label.begin(), label.end(), isdigit);
|
||||
if (allDigits)
|
||||
labels.push_back("Class " + label);
|
||||
else
|
||||
labels.push_back(label);
|
||||
}
|
||||
yy.push_back(labelMap[label]);
|
||||
}
|
||||
return yy;
|
||||
};
|
||||
private:
|
||||
void generateDataset(int labelIndex)
|
||||
{
|
||||
X = std::vector<std::vector<float>>(attributes.size(), std::vector<float>(lines.size()));
|
||||
auto yy = std::vector<std::string>(lines.size(), "");
|
||||
auto removeLines = std::vector<int>(); // Lines with missing values
|
||||
for (size_t i = 0; i < lines.size(); i++) {
|
||||
std::stringstream ss(lines[i]);
|
||||
std::string value;
|
||||
int pos = 0;
|
||||
int xIndex = 0;
|
||||
while (getline(ss, value, ',')) {
|
||||
if (pos++ == labelIndex) {
|
||||
yy[i] = value;
|
||||
} else {
|
||||
if (value == "?") {
|
||||
X[xIndex++][i] = -1;
|
||||
removeLines.push_back(i);
|
||||
} else
|
||||
X[xIndex++][i] = stof(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
for (auto i : removeLines) {
|
||||
yy.erase(yy.begin() + i);
|
||||
for (auto& x : X) {
|
||||
x.erase(x.begin() + i);
|
||||
}
|
||||
}
|
||||
y = factorize(yy);
|
||||
};
|
||||
void loadCommon(std::string fileName)
|
||||
{
|
||||
std::ifstream file(fileName);
|
||||
if (!file.is_open()) {
|
||||
throw std::invalid_argument("Unable to open file");
|
||||
}
|
||||
std::string line;
|
||||
std::string keyword;
|
||||
std::string attribute;
|
||||
std::string type;
|
||||
std::string type_w;
|
||||
while (getline(file, line)) {
|
||||
if (line.empty() || line[0] == '%' || line == "\r" || line == " ") {
|
||||
continue;
|
||||
}
|
||||
if (line.find("@attribute") != std::string::npos || line.find("@ATTRIBUTE") != std::string::npos) {
|
||||
std::stringstream ss(line);
|
||||
ss >> keyword >> attribute;
|
||||
type = "";
|
||||
while (ss >> type_w)
|
||||
type += type_w + " ";
|
||||
attributes.emplace_back(trim(attribute), trim(type));
|
||||
continue;
|
||||
}
|
||||
if (line[0] == '@') {
|
||||
continue;
|
||||
}
|
||||
lines.push_back(line);
|
||||
}
|
||||
file.close();
|
||||
if (attributes.empty())
|
||||
throw std::invalid_argument("No attributes found");
|
||||
};
|
||||
std::vector<std::string> lines;
|
||||
std::vector<std::pair<std::string, std::string>> attributes;
|
||||
std::string className;
|
||||
std::string classType;
|
||||
std::vector<std::vector<float>> X;
|
||||
std::vector<int> y;
|
||||
std::vector<std::string> labels;
|
||||
};
|
||||
|
||||
#endif
|
@ -1 +0,0 @@
|
||||
add_library(ArffFiles ArffFiles.cc)
|
@ -4,7 +4,7 @@
|
||||
// SPDX-License-Identifier: MIT
|
||||
// ***************************************************************
|
||||
|
||||
#include <ArffFiles.h>
|
||||
#include <ArffFiles.hpp>
|
||||
#include <CPPFImdlp.h>
|
||||
#include <bayesnet/ensembles/BoostAODE.h>
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user