public override double RunModelForSingleData(double[] data)
{
double value = 0;
VerifyDataForRun(data);
if (data.Length != _data.Length - 1)
{
throw new InvalidDataException();
}
KeyValuePair <int, double>[] allValues =
new KeyValuePair <int, double> [_data[0].Length];
//Compute distance per Row
Parallel.For(0, _data[0].Length, new ParallelOptions {
MaxDegreeOfParallelism = _maxParallelThreads
}, row =>
{
double[] tArray = SupportFunctions.GetLinearArray(_data, row, _data.Length - 2);
double distance = _distanceMeasure.getDistanceVector(tArray, data);
allValues[row] = new KeyValuePair <int, double>(row, distance);
});
List <KeyValuePair <int, double> > distList =
SupportFunctions.GetSortedKeyValuePair(allValues);
double[] targetValues = new double[_k];
//Get lowest k distancesPerRow and their count
//for (int ii= 0; ii < _k;ii++)
Parallel.For(0, _k, new ParallelOptions {
MaxDegreeOfParallelism = _maxParallelThreads
}, ii =>
{
int row = distList[ii].Key;
targetValues[ii] = _data[_origTargetAttributeIndex][row];
});
//Get the mode
value = Dispersion.Mode(targetValues);
return(value);
}
GetSortedKeyValuePair(KeyValuePair <int, double> [] allValues)
{
return(SupportFunctions.GetSortedKeyValuePair(
allValues));
}