public virtual void HeldOutSetC(GeneralDataset <L, F> train, double percentHeldOut, IScorer <L> scorer, ILineSearcher minimizer)
{
Pair <GeneralDataset <L, F>, GeneralDataset <L, F> > data = train.Split(percentHeldOut);
HeldOutSetC(data.First(), data.Second(), scorer, minimizer);
}