public void Can_create_id3_tree()
{
var matrix = GetDataSet();
var tree = DecisionTrees.ID3(matrix, new[] { "A", "B" });
Assert.IsNotNull(tree);
}
public void EntropyTest3()
{
double p = .2;
double n = .8;
DecisionTrees DT = new DecisionTrees();
double e = DT.Entropy(p, n);
Assert.Equal(e, .72, 2);
}
public void EntropyTest2()
{
double p = 1;
double n = 0;
DecisionTrees DT = new DecisionTrees();
double e = DT.Entropy(p, n);
Assert.Equal(e, 0);
}
public void EntropyTest1()
{
double p = 0.5;
double n = 0.5;
DecisionTrees DT = new DecisionTrees();
double e = DT.Entropy(p, n);
Assert.Equal(e, 1.0);
//var result = false;
//Assert.False(result, $"result should not be true");
}
public void Can_serialize_decision_tree()
{
var tree = DecisionTrees.ID3(new Matrix(new Number[, ]
{
{ 1, 1, 1 }, // YES
{ 1, 1, 1 }, // YES
{ 1, 0, 0 }, // NO
{ 0, 1, 0 }, // NO
{ 0, 1, 0 }, // NO
}), new[] { "A", "B" });
var json = tree.ToJson();
AssertValidJson(json);
Console.WriteLine(json);
}
