public void NoShuffleTrainingValidationIndexSplitter_Split()
{
var sut = new NoShuffleTrainingTestIndexSplitter <double>(0.8);
var targets = new double[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var actual = sut.Split(targets);
var expected = new TrainingTestIndexSplit(new int[] { 0, 1, 2, 3, 4, 5, 6, 7 },
new int[] { 8, 9 });
Assert.AreEqual(expected, actual);
}
public void TrainingTestIndexSplitterExtensions_SplitSet()
{
var observations = new F64Matrix(new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, 10, 1);
var targets = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
var splitter = new NoShuffleTrainingTestIndexSplitter <double>(0.6);
var actual = splitter.SplitSet(observations, targets);
var trainingIndices = Enumerable.Range(0, 6).ToArray();
var testIndices = Enumerable.Range(6, 4).ToArray();
var expected = new TrainingTestSetSplit(
new ObservationTargetSet((F64Matrix)observations.Rows(trainingIndices),
targets.GetIndices(trainingIndices)),
new ObservationTargetSet((F64Matrix)observations.Rows(testIndices),
targets.GetIndices(testIndices)));
Assert.AreEqual(expected, actual);
}