private void EvalDifference()
{
Evaluated = true;
// get each class SoFs in this split
// and keep min and max
int classSof = 0;
if (ClassIndex == -1)
{
classSof = Split.GlobalSof;
}
else
{
classSof = Split.GetClassSof(ClassIndex);
}
int min = classSof;
MaxSofInSplit = Split.GetMaxClassSof(ClassIndex); // max of other classes
if (MaxSofInSplit == 0)
{
MaxSofInSplit = classSof;
}
// -->
// exit if 0
if (min == 0 && MaxSofInSplit == 0)
{
Evaluated = false; // we can not eval that
return;
}
// -->
double referencesof = classSof;
if (classSof == 0)
{
referencesof = min;
}
ClassSof = Convert.ToInt32(referencesof);
// -->
// difference in % between min and max
double a = referencesof;
double b = MaxSofInSplit;
if (a == 0 || b == 0)
{
PercentDifference = 0;
return;
}
int diff = 100 - Convert.ToInt32(Math.Round(100 * a / b));
diff = Math.Max(diff, 0);
PercentDifference = diff;
// -->
}