double MultilayerPerceptron::getCE(const vector<vector<double> > &inputs, const vector<vector<double> > &targets)
{
size_t sInputs = inputs.size();
int os = getOutputSize();
int errCount = 0;
int n = 0;
vector<int> yObtained;
for(size_t p = 0; p < sInputs; p++){
yObtained = getClasifierOutput(inputs[p],
(ot == UnipolarClasifier ? 0.5 : 0),
ot);
for(int element = 0; element < os; element++){
switch(ot){
case UnipolarClasifier:
if(toUnipolar(targets[p], 0.5)[element] != yObtained[element]){
errCount++;
}
break;
case BipolarClasifier:
if(toBipolar(targets[p], 0)[element] != yObtained[element]){
errCount++;
}
break;
}
n++;
}
}
return errCount/n;
}
String MouseOverKnob::getTextFromValue(double val)
{
// calculate bipolar value, only makes sense if minimum is 0 since maximum is used for scaling
if (displayBipolarValue)
{
float coeff = toBipolar(static_cast<float>(this->getMinimum()), static_cast<float>(this->getMaximum()), static_cast<float>(val));
val = this->getMaximum() * coeff;
}
int decimal = getNumDecimalPlacesToDisplay();
if (decimal > 0)
{
return String(val, decimal) + getTextValueSuffix();
}
return String(roundToInt(val)) + getTextValueSuffix();
}
