/************* SVM specific functions **********/
matrix * SVMpopulateAccuracyMatrix(matrix * predictions, matrix * metadata, struct slInt * trainingList)
{
int i, j;
//make a place to store results
matrix * result = init_matrix(2, metadata->cols);
safef(result->rowLabels[0], MAX_LABEL, "trainingAccuracies");
safef(result->rowLabels[1], MAX_LABEL, "testingAccuracies");
for(i = 0; i < metadata->cols; i++)
safef(result->colLabels[i], MAX_LABEL, "%s", metadata->colLabels[i]);
result->labels=1;
//iterate over each sample, recording accuacies
struct slInt * testList = index_complement(metadata->cols,trainingList);
for(j = 0; j < predictions->cols; j++)
{
int resultRow = -1;
if(indexInList(j, trainingList))
resultRow = 0;
else if(indexInList(j, testList))
resultRow = 1;
if(metadata->graph[0][j] == NULL_FLAG)
result->graph[resultRow][j] = NULL_FLAG; // O_o
else if((metadata->graph[0][j] == 0 && predictions->graph[0][j] < 0) ||
(metadata->graph[0][j] == 1 && predictions->graph[0][j] > 0))
result->graph[resultRow][j] = 1; //yay!
else
result->graph[resultRow][j] = 0; //boo.
}
return result;
}
void SelectGraphicsWidget::ok()
{
int comboBoxIndex = ui.comboBox->currentIndex();
QListWidgetItem* currentItem = ui.listWidget->currentItem();
if (!currentItem)
{
QMessageBox::critical(this,QStringLiteral("请选择交通图"),QStringLiteral("您尚未选择交通图"));
return ;
}
QStringList tmpList;
switch (comboBoxIndex)
{
case 0:
{
tmpList = mList0;
break;
}
case 1:
{
tmpList = mList1;
break;
}
case 2:
{
tmpList = mList2;
break;
}
case 3:
{
tmpList = mList3;
break;
}
default:
break;
}
int listIndex = indexInList(currentItem->text(),tmpList);
close();
emit selectGraphics(comboBoxIndex,listIndex);
}
