HeuristicLab 3.3.17 - Pending

Changes to the previous release that are available in the daily build of our stable branch and will become part of the next release: ​Download HeuristicLab daily build binaries.

Features:

Ticket	Modified	Component	Summary
#3039	3 days	Encodings.SymbolicExpressionTreeEncoding	BTC (Balanced Tree Creator) for HeuristicLab
#2971	9 months	Problems.DataAnalysis	Intervals for RegressionProblemData/SymbolicRegressionSolution
#2968	6 months	Problems.DataAnalysis.Symbolic	Add a new formatter for symbolic expressions, which produces an infix expression as well as a list of all coefficient values
#3037	2 months	Scripting	Exclude assemblies from scripting

Enhancements:

Ticket	Modified	Component	Summary
#2898	2 months	Algorithms.DataAnalysis	Generalized additive models (GAM)
#3067	4 months	Encodings.SymbolicExpressionTreeEncoding	Crossover probability for SubtreeCrossover
#3081	13 months	Optimization.Operators	Add static calculation methods to all DiscreteDoubleValueModifiers
#3019	18 months	Problems.DataAnalysis.Symbolic	Implementation of the Pareto Front Analysis for Symbolic Classification Problems
#3076	2 months	Problems.DataAnalysis.Symbolic.Regression	Interval Arithmetic Evaluators and Analyzers
#3042	18 months	Problems.DataAnalysis.Symbolic.Views	Remove progress bar after constant optimization error
#3027	6 months	Random	Provide a simple, efficient, and correct implementation to sample Gaussian random variables
#3045	7 months	Scripting.Views	Dialog for compilation warnings and errors
#3089	6 months	Tests	Explicitly fail tests on ReflectionTypeLoadExceptions and BadImageFormatExceptions

Bugs:

Ticket	Modified	Component	Summary
#2806	7 months	Algorithms.DataAnalysis	Positive class value setting from classification problems is not set correctly in classification ensemble solutions
#3030	18 months	Algorithms.DataAnalysis	RF/GBT SurrogateModel triggers unnecessary recalculation
#3111	6 months	Algorithms.DataAnalysis	RandomForestClassification produces a result (RF Model Evaluation) incorrectly
#3113	2 months	Algorithms.DataAnalysis	Loading new data for Random Forest Solution results in an error
#3020	22 months	Algorithms.GeneticAlgorithm	The MutatorParameter of genetic algortihms is replaced during deserialization
#3100	2 months	Data	TriangularMatrix uses wrong base class
#3061	7 months	Encodings.SymbolicExpressionTreeEncoding	Typo in parameter name for SimpleSymbolicExpressionTreeGrammar.AddSymbols
#3018	2 months	Hive.Client	Interdependence between mutliple HiveJobManagerViews
#3024	2 months	Hive.General	Hive project owner unintentionally changes to first valid option
#3041	13 months	Hive.Server	IsDisposable is overwritten when slaves say Hello
#3033	2 years	Hive.Slave	Hive slave can register itself multiple times with different client ID
#2028	8 months	MainForm.WindowsForms	Viewhost does not propagate readonly state when switching views
#2996	6 months	Optimization	Exception when cloning IndexedDataRow
#3060	19 months	Optimization	Exceptions thrown in IOptimizer.StartAsync are sometimes unhandled
#3088	9 months	PluginInfrastructure	HeuristicLab crashes if Hive Job Manager is opened while samples page is still loading
#3054	6 months	Problems.DataAnalysis	Calculation of Variable Impacts with LDA does not work
#2985	6 months	Problems.DataAnalysis.Symbolic	TreeSimplifier simplifies non-constant subtrees to constant
#3051	18 months	Problems.DataAnalysis.Symbolic	Synchronization issue of data members with [ThreadStatic] attribute in Batch and Native interpreters
#3079	6 months	Problems.DataAnalysis.Symbolic	C# code generator for symbolic expressions produces incorrect output for AQ()
#3083	6 months	Problems.DataAnalysis.Symbolic	LaTeX output for symbolic regression models is incorrect for target variables which contain special symbols
#3126	2 months	Problems.DataAnalysis.Symbolic	Excessive use of memory caused by storing all Pareto-optimal solutions for multi-objective symbolic regression runs
#3053	7 months	Problems.DataAnalysis.Symbolic.Classification.Views	PositiveClass value cannot bet set in the SolutionComparisonView if classes have been names
#3115	3 days	Problems.DataAnalysis.Symbolic.Regression.Views	Method IsSolutionCompatible in PartialDependencePlotView is slow for datasets with string variables
#2973	18 months	Problems.DataAnalysis.Symbolic.Views	Maximizing VariableImpactView shows no data
#3038	8 months	Problems.DataAnalysis.Views	Residual Analysis does not display data points outside of training and test
#3109	6 months	Problems.DataAnalysis.Views	RegressionSolutionLinechart shows empty DataPoints
#3125	3 days	Problems.DataAnalysis.Views	ErrorCharacteristicsCurveView cannot be displayed if baseline solutions cannot be calculated
#3023	2 years	Services.Authentication	Hive user creation sometimes fails due to unmet password requirements

Tasks:

Ticket	Modified	Component	Summary
#3032	18 months	Problems.DataAnalysis	Fixing cube root calculation for intervals and extending intervals operations
#3052	18 months	Problems.DataAnalysis.Symbolic	Provide a method in grammars to adapt variable symbols to a given dataset