static DataSet GenerateData(int DataSize)
{
DataSet R = new DataSet(5);
for (int c = 0; c < DataSize; ++c)
{
R.AddEntry(GenerateEntry());
}
return R;
}
public DecisionTree(DataSet DataSet, int Target)
{
KeyValuePair<AttributeValue, bool> S = DataSet.SingularValue(Target);
if (S.Value) _Value = S.Key;
else
{
_Check = DataSet.BestGain(Target);
if (_Check == null)
{
_Value = DataSet.MostCommonValue(Target);
return;
}
_Children = new List<KeyValuePair<AttributeValue, DecisionTree>>();
List<AttributeValue> A = DataSet.SortedValues(_Check.Function);
foreach (AttributeValue V in A)
{
DecisionTree C = new DecisionTree(DataSet.Subset(_Check.Function, V), Target);
_Children.Add(new KeyValuePair<AttributeValue, DecisionTree>(V, C));
}
}
}
public void VerifyPlay(Card DownCard, Card Played, bool Valid)
{
AttributeValue[] Entry = new AttributeValue[5];
Entry[0] = new IntegerValue(DownCard.Number);
Entry[1] = new IntegerValue(DownCard.Suit);
Entry[2] = new IntegerValue(Played.Number);
Entry[3] = new IntegerValue(Played.Suit);
Entry[4] = new BooleanValue(Valid);
if (_Forest == null) _Forest = new Forest(1, 1, delegate(int i) { DataSet D = new DataSet(5); D.AddEntry(Entry); return D; }, 4);
else _Forest.AddEntry(Entry);
}
