private List <Rule> CreateRulesForNotQualitativeArguments(Data[] elements, int indexOfArgument)
{
List <Rule> rules = new List <Rule>();
double[] valuesOfArgument = SortValuesOfArgument(elements, indexOfArgument);
for (int j = 0; j < valuesOfArgument.Length; j++)
{
Rule temp = new Rule();
temp.IndexOfArgument = indexOfArgument;
temp.IsQualitative = false;
if (j + 1 < valuesOfArgument.Length)
{
temp.Rules.Add(CreateValueForRule(valuesOfArgument, j));
}
else
{
temp.Rules.Add(valuesOfArgument[j]);
}
Data[] left = null, right = null;
GeneralMethods.DivideSampleByNotQualitiveRule(out left, out right, elements, temp.Rules[0], indexOfArgument);
temp.Error = GeneralMethods.CountError(left);
temp.Error += GeneralMethods.CountError(right);
rules.Add(temp);
}
return(rules);
}
private void AddChildren(DecisionTreeNode node) //add new nodes to the tree
{
Data[] left = null, right = null;
if (node.Rule.IsQualitative)
{
GeneralMethods.DivideSampleByQualitiveRule(out left, out right, node.Elements,
node.Rule.Rules, node.Rule.IndexOfArgument);
}
else
{
GeneralMethods.DivideSampleByNotQualitiveRule(out left, out right, node.Elements,
node.Rule.Rules[0], node.Rule.IndexOfArgument);
}
node.LeftChild = new DecisionTreeNode(left, true);
node.RightChild = new DecisionTreeNode(right, false);
}
