Files
Platform/src/reports/DatasetsConsole.cpp

85 lines
3.8 KiB
C++

#include <algorithm>
#include "common/Colors.h"
#include "common/Datasets.h"
#include "common/Paths.h"
#include "DatasetsConsole.h"
namespace platform {
const int DatasetsConsole::BALANCE_LENGTH = 75;
void DatasetsConsole::split_lines(int name_len, std::string line, const std::string& balance)
{
auto temp = std::string(balance);
while (temp.size() > DatasetsConsole::BALANCE_LENGTH - 1) {
auto part = temp.substr(0, DatasetsConsole::BALANCE_LENGTH);
line += part + "\n";
body.push_back(line);
line = string(name_len + 28, ' ');
temp = temp.substr(DatasetsConsole::BALANCE_LENGTH);
}
line += temp + "\n";
body.push_back(line);
}
void DatasetsConsole::report()
{
header.clear();
body.clear();
auto datasets = platform::Datasets(false, platform::Paths::datasets());
std::stringstream sheader;
auto datasets_names = datasets.getNames();
std::cout << Colors::GREEN() << "Datasets available in the platform: " << datasets_names.size() << std::endl;
int maxName = std::max(size_t(7), (*max_element(datasets_names.begin(), datasets_names.end(), [](const std::string& a, const std::string& b) { return a.size() < b.size(); })).size());
std::vector<std::string> header_labels = { " #", "Dataset", "Sampl.", "Feat.", "#Num.", "Cls", "Balance" };
std::vector<int> header_lengths = { 3, maxName, 6, 6, 6, 3, DatasetsConsole::BALANCE_LENGTH };
sheader << Colors::GREEN();
for (int i = 0; i < header_labels.size(); i++) {
sheader << setw(header_lengths[i]) << left << header_labels[i] << " ";
}
sheader << std::endl;
header.push_back(sheader.str());
std::string sline;
for (int i = 0; i < header_labels.size(); i++) {
sline += std::string(header_lengths[i], '=') + " ";
}
sline += "\n";
header.push_back(sline);
int num = 0;
for (const auto& dataset_name : datasets.getNames()) {
std::stringstream line;
line.imbue(loc);
auto color = num % 2 ? Colors::CYAN() : Colors::BLUE();
line << color << setw(3) << right << num++ << " ";
line << setw(maxName) << left << dataset_name << " ";
auto& dataset = datasets.getDataset(dataset_name);
dataset.load();
auto nSamples = dataset.getNSamples();
line << setw(header_lengths[2]) << right << nSamples << " ";
auto nFeatures = dataset.getFeatures().size();
line << setw(header_lengths[3]) << right << nFeatures << " ";
auto numericFeatures = dataset.getNumericFeatures();
auto num = std::count(numericFeatures.begin(), numericFeatures.end(), true);
line << setw(header_lengths[4]) << right << num << " ";
auto nClasses = dataset.getNClasses();
line << setw(header_lengths[5]) << right << nClasses << " ";
std::string sep = "";
oss.str("");
if (nSamples == 0) {
oss << "No samples";
} else {
for (auto number : dataset.getClassesCounts()) {
oss << sep << std::setprecision(2) << fixed << (float)number / nSamples * 100.0 << "% (" << number << ")";
sep = " / ";
}
}
split_lines(maxName, line.str(), oss.str());
// Store data for Excel report
data[dataset_name] = json::object();
data[dataset_name]["samples"] = nSamples;
data[dataset_name]["features"] = nFeatures;
data[dataset_name]["numericFeatures"] = num;
data[dataset_name]["classes"] = nClasses;
data[dataset_name]["balance"] = oss.str();
}
}
}