void InstanceParser::read()
{
m_sizes.clear();
m_mkpItems.clear();
m_binItems.clear();
QFile file(m_path);
if(!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
qDebug() << "Cannot open file";
return;
}
setDevice(&file);
while(!atEnd()) {
readNext();
if(isStartElement()) {
if(name() == "problem")
readProblem();
else
raiseError("This file is not valid");
}
}
}
void
ProblemsReader::updateOutputs() {
// clear existing problems
_problems->clear();
unsigned int numProblems;
*_stream >> numProblems;
LOG_DEBUG(streamproblemreaderlog) << "reading " << numProblems << " problems" << std::endl;
for (unsigned int i = 0; i < numProblems; i++)
readProblem(i);
}
int SVMTrainModel::train(double &RecRate, std::vector<int> &ConfusionTable)
{
if((!have_input_file_name) || (!have_model_file_name))
{
fprintf(stderr,"ERROR: Set Input and Model files first!\n");
exit(1);
}
const char *error_msg;
readProblem(input_file_name);
error_msg = svm_check_parameter(&prob,¶m);
if(error_msg)
{
fprintf(stderr,"ERROR: %s\n",error_msg);
exit(1);
}
if(cross_validation)
{
do_cross_validation(RecRate,ConfusionTable);
}
else
{
model = svm_train(&prob,¶m);
if(svm_save_model(model_file_name,model))
{
fprintf(stderr, "can't save model to file %s\n", model_file_name);
exit(1);
}
svm_free_and_destroy_model(&model);
}
svm_destroy_param(¶m);
free(prob.y);
free(prob.x);
free(x_space);
free(line);
return 0;
}
