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); }