float_t OperationTestModWavelet::testWithCharacteristicNumber(
SGPP::base::DataVector& alpha, SGPP::base::DataMatrix& data, SGPP::base::DataVector& classes,
SGPP::base::DataVector& charaNumbers) {
base::WaveletModifiedBasis<unsigned int, unsigned int> base;
return test_datasetWithCharacteristicNumber(this->storage, base, alpha, data, classes,
charaNumbers, 0.0);
}
void test_calculateROCcurve(base::GridStorage* storage, BASIS& basis,
base::DataVector& alpha, base::DataMatrix& data,
base::DataVector& classes, base::DataVector& thresholds,
base::DataMatrix& ROC_curve) {
size_t num_points = thresholds.getSize();
if (ROC_curve.getNrows() != num_points) {
ROC_curve.resize(num_points);
}
base::DataVector charNum(4);
for (size_t i = 0; i < num_points; i++) {
test_datasetWithCharacteristicNumber(storage, basis, alpha, data, classes,
charNum, thresholds.get(i));
float_t tp = charNum.get(0);
float_t tn = charNum.get(1);
float_t fp = charNum.get(2);
float_t fn = charNum.get(3);
// 1-spec.
ROC_curve.set(i, 0, (fp / (fp + tn)));
// sensi.
ROC_curve.set(i, 1, (tp / (tp + fn)));
}
}
float_t OperationTestModPoly::testWithCharacteristicNumber(SGPP::base::DataVector& alpha,
SGPP::base::DataMatrix& data,
SGPP::base::DataVector& classes,
SGPP::base::DataVector& charaNumbers) {
return test_datasetWithCharacteristicNumber(this->storage, base, alpha, data, classes,
charaNumbers, 0.0);
}
double OperationTestModLinear::testWithCharacteristicNumber(DataVector& alpha, DataMatrix& data, DataVector& classes, DataVector& charaNumbers)
{
modified_linear_base<unsigned int, unsigned int> base;
return test_datasetWithCharacteristicNumber(this->storage, base, alpha, data, classes, charaNumbers);
}
