protected override OptimizationAlgorithm ConstructOptimizationAlgorithm(IChannel ch)
{
OptimizationAlgorithm optimizationAlgorithm = base.ConstructOptimizationAlgorithm(ch);
if (Args.UseLineSearch)
{
var lossCalculator = new BinaryClassificationTest(optimizationAlgorithm.TrainingScores, _trainSetLabels, _sigmoidParameter);
// REVIEW: we should makeloss indices an enum in BinaryClassificationTest
optimizationAlgorithm.AdjustTreeOutputsOverride = new LineSearch(lossCalculator, Args.UnbalancedSets ? 3 /*Unbalanced sets loss*/ : 1 /*normal loss*/, Args.NumPostBracketSteps, Args.MinStepSize);
}
return(optimizationAlgorithm);
}
protected override OptimizationAlgorithm ConstructOptimizationAlgorithm(IChannel ch)
{
OptimizationAlgorithm optimizationAlgorithm = base.ConstructOptimizationAlgorithm(ch);
if (Args.UseLineSearch)
{
var lossCalculator = new RegressionTest(optimizationAlgorithm.TrainingScores);
// REVIEW: We should make loss indices an enum in BinaryClassificationTest.
optimizationAlgorithm.AdjustTreeOutputsOverride = new LineSearch(lossCalculator, 1 /*L2 error*/, Args.NumPostBracketSteps, Args.MinStepSize);
}
return(optimizationAlgorithm);
}
protected override Task Context()
{
_parameterIdentificationRunModeMapper = A.Fake <ParameterIdentificationRunModeMapper>();
_algorithmMapper = A.Fake <ParameterIdentificationAlgorithmMapper>();
sut = new ParameterIdentificationConfigurationMapper(_parameterIdentificationRunModeMapper, _algorithmMapper);
_snapshotRunMode = new ParameterIdentificationRunMode();
_snapshotAlgorithmProperties = new OptimizationAlgorithm();
_parameterIdentificationConfiguration = new ParameterIdentificationConfiguration
{
CalculateJacobian = true,
LLOQMode = LLOQModes.OnlyObservedData,
RemoveLLOQMode = RemoveLLOQModes.NoTrailing,
RunMode = new StandardParameterIdentificationRunMode(),
AlgorithmProperties = new OptimizationAlgorithmProperties("HELLO")
};
A.CallTo(() => _parameterIdentificationRunModeMapper.MapToSnapshot(_parameterIdentificationConfiguration.RunMode)).Returns(_snapshotRunMode);
A.CallTo(() => _algorithmMapper.MapToSnapshot(_parameterIdentificationConfiguration.AlgorithmProperties)).Returns(_snapshotAlgorithmProperties);
return(_completed);
}
