public override void BuildWithFallbackUsesFallbacks()
{
// Set all values in builder and build a configuration.
var fallback = this._builder
.SetMaximumTreeDepth(13)
.SetFeaturesPerSplitRatio(0.37)
.SetMinimumInformationGain(0.04)
.SetMinimumSplitSize(56)
.SetRunParallel(false)
.SetSubSampleRatio(0.144)
.SetTreeCount(333)
.BuildWithFallback(null);
// Create a new builder based on it and let it build a configuration.
var config = new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder()
.BuildWithFallback(fallback);
// Check all values.
Assert.Equal(
fallback.MaximumTreeDepth,
config.MaximumTreeDepth);
Assert.Equal(
fallback.FeaturesPerSplitRatio,
config.FeaturesPerSplitRatio);
Assert.Equal(
fallback.MinimumInformationGain,
config.MinimumInformationGain);
Assert.Equal(fallback.RunParallel, config.RunParallel);
Assert.Equal(fallback.SubSampleRatio, config.SubSampleRatio);
Assert.Equal(fallback.TreeCount, config.TreeCount);
Assert.Equal(
fallback.MinimumSplitSize,
config.MinimumSplitSize);
}
public void ConstructorThrowsForNegativeFeaturesPerSplit()
{
var forestConfig = new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder().SetTreeCount(1)
.SetRunParallel(false).BuildWithFallback(null);
Assert.Throws <ArgumentOutOfRangeException>(() => new GenomePredictionRandomForest <ReuseOldTreesStrategy>(forestConfig, -1));
}
public void TestMatrixShouldNotBeNull()
{
var forestConfig = new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder().SetTreeCount(1)
.SetRunParallel(false).BuildWithFallback(null);
var forest = new GenomePredictionRandomForest <ReuseOldTreesStrategy>(forestConfig, 0);
Assert.Throws <NullReferenceException>(() => forest.Learn(null, new double[0], new int[0]));
}
public void IsTechnicallyCompatibleReturnsFalseForDifferentTreeCount()
{
var defaultConfig = this._builder.BuildWithFallback(null);
var otherConfig = new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder()
.SetTreeCount(defaultConfig.TreeCount + 1)
.BuildWithFallback(defaultConfig);
ConfigurationBaseTest.CheckTechnicalIncompatibility(defaultConfig, otherConfig);
}
public void IsCompatibleReturnsFalseForDifferentSubSampleRatio()
{
var defaultConfig = this._builder.BuildWithFallback(null);
var otherConfig = new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder()
.SetSubSampleRatio(defaultConfig.SubSampleRatio + 0.1)
.BuildWithFallback(defaultConfig);
ConfigurationBaseTest.CheckIncompatibility(defaultConfig, otherConfig);
}
public void IsCompatibleReturnsFalseForDifferentRunParallelFlag()
{
var defaultConfig = this._builder.BuildWithFallback(null);
var otherConfig = new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder()
.SetRunParallel(!defaultConfig.RunParallel)
.BuildWithFallback(defaultConfig);
ConfigurationBaseTest.CheckIncompatibility(defaultConfig, otherConfig);
}
public void IsTechnicallyCompatibleReturnsTrueForSameParameters()
{
var defaultConfig = this._builder.BuildWithFallback(null);
var otherConfig = new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder()
.BuildWithFallback(defaultConfig);
// Check those two configuration are compatible.
Assert.True(
defaultConfig.IsTechnicallyCompatible(otherConfig),
"Configurations should be technically compatible.");
Assert.Equal(
defaultConfig.IsTechnicallyCompatible(otherConfig),
otherConfig.IsTechnicallyCompatible(defaultConfig));
}
/// <summary>
/// Initializes a new instance of the <see cref="GenomePredictionRandomForestConfigTest"/> class.
/// </summary>
public GenomePredictionRandomForestConfigTest()
{
this._builder =
new GenomePredictionRandomForestConfig.GenomePredictionRandomForestConfigBuilder();
}
