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dataset_loader.cu
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dataset_loader.cu
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#include "dataset_loader.h"
#include "fstream"
#include "iostream"
#include "sstream"
using namespace std;
Dataset::Dataset(int max_rows)
{
load_dataset(max_rows);
}
void Dataset::load_dataset(int max_rows)
{
int MAX_ROWS = max_rows;
input_matrix = new Matrix(MAX_ROWS, 5); // Not loading last 2 columns
target_matrix = new Matrix(MAX_ROWS, 1);
ifstream file("Mobile-Price-Prediction-cleaned_data.csv");
if (!file.is_open())
{
printf("Error opening dataset file!\n");
}
string line;
getline(file, line);
int row = 0;
while (getline(file, line))
{
if (row >= MAX_ROWS)
break;
// cout << line << endl;
stringstream ss(line);
string cell;
int col = -1;
while (getline(ss, cell, ','))
{
if (col == -1)
{
// RATINGS
target_matrix->mat[row] = stof(cell);
}
else
{
// FEATURES
int idx = row * 5 + col;
input_matrix->mat[idx] = stof(cell);
}
col++;
}
row++;
}
file.close();
// Printing Loaded Dataset
// input_matrix->print();
// target_matrix->print();
}
Matrix *Dataset::get_inputs()
{
return input_matrix;
}
Matrix *Dataset::get_targets()
{
return target_matrix;
}
Dataset::~Dataset()
{
delete input_matrix;
delete target_matrix;
}