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16:37 Changeset [7759] by sforsten


  • deleted ClassificationData and RegressionData. RegressionProblemData and ClassificationProblemData are used instead
  • deleted not needed Transformer
  • ValueGenerator is now a static class and yield return is used return IEnumerable
15:22 Changeset [7758] by sforsten


  • deleted not needed Consumer in ProblemInstanceProvider and IProblemInstanceProvider
  • changed protection level of exporter and consumer in ProblemInstanceProviderViewGeneric
  • renamed property FileExtension to FileName in ResourceClassificationInstanceProvider and ResourceRegressionInstanceProvider
  • deleted ImportProblemDataFromFile method from IDataAnalysisProblem and all classes and interfaces, which implement this method
  • removed unnecessary yield return in GetDoubleValues in the Dataset. Now it's a normal return statement
14:39 Changeset [7757] by sforsten

#1784: branch HeuristicLab.Problems.DataAnalysis.Symbolic

14:22 Changeset [7756] by jkarder


  • added path relinking and problem specific operators (KnapsackPathRelinker, TravelingSalesmanPathRelinker) for it
  • adjusted event handling
  • minor code improvements
13:45 Changeset [7755] by sforsten


  • really deleted not used interface and view
13:44 Changeset [7754] by sforsten


  • deleted not used interface and view
  • changed the superclass of TSPLIBTSPInstanceProviderView to ProblemInstanceProviderViewGeneric
  • deleted the Location change in the designer files of TravelingSalesmanProlemView and QuadraticAssignmentProblemView
  • set all references to CopyLocal false
13:25 Changeset [7753] by sforsten

#1784: branch HeuristicLab.Problems.Instances.TSPLIB.Views

12:55 Changeset [7752] by sforsten

#1784: branch HeuristicLab.Problems.QuadraticAssignment.Views

12:53 Changeset [7751] by sforsten

#1784: branch HeuristicLab.Problems.TravelingSalesman.Views


16:50 Changeset [7750] by sforsten


  • merged Problems.DataAnalysis r7273:7748 from trunk
  • prepared SymbolicClassificationSingleObjectiveProblem and SymbolicRegressionSingleObjectiveProblem to load and export problem instances
16:37 Changeset [7749] by sforsten

#1784: branch Problems.DataAnalysis.Symbolic.Classification to test problem instances with symbolic classification

16:11 Changeset [7748] by sforsten

#1784: branch Problems.DataAnalysis.Symbolic.Regression to test problem instances with symbolic regression

14:04 Changeset [7747] by sforsten

#1818: The Garbage Collector isn't called anymore in the Dispose method of the ColumnGroupView


18:38 Changeset [7746] by epitzer

#1826 check for null expression before resolving symbol for tool tip information

16:55 Changeset [7745] by epitzer

#1722 follow-up of r5935: also rename CurrentIteration to Iterations in swarm updater


20:14 Ticket #1837 (Sliding Window GP) created by mkommend
For various data analysis tasks it would be beneficial to have a …
17:00 Changeset [7744] by jkarder


  • added problem specific improvement operators (KnapsackImprovementOperator, TravelingSalesmanImprovementOperator)
  • added custom interface (IScatterSearchTargetProcessor) for Scatter Search specific operators that use a target parameter
  • added custom operator (OffspringProcessor) to process multiple children that were created by crossovers
  • extracted diversity calculation and added problem/encoding specific operators (BinaryVectorDiversityCalculator, PermutationDiversityCalculator) for it
  • added parameters and adjusted types
  • adjusted event handling
  • minor code improvements
16:52 Ticket #1836 (Add reheating to simulated annealing) created by abeham
Reheating allows simulated annealing to diversify the search. A …
15:45 Changeset [7743] by abeham


  • fixed the cases where the move quality would not change
  • added unit tests for translocation and inversion move evaluators
00:56 Ticket #1835 (ProgrammableOperator can be edited while algorithm is executing) created by abeham


20:39 Changeset [7742] by ascheibe

#1174 worked on experiment upload view

17:27 Ticket #1834 (TranslocationMoveEvaluator miscalculates MoveQuality in some cases) created by abeham
14:03 Ticket #1833 (Checked operator information is lost in run) created by abeham
The information which operator is checked in a …
10:53 Ticket #1832 (Support tree edit operations in the simplifier view) created by bburlacu
The tree model in the simplifier view should support the following …
09:49 Ticket #1831 (SymbolicExpressionTreeGrammar is locked when algorithm is paused and reset) closed by abeham
worksforme: maybe the version was some days older, you're right the behavior is …


20:01 Changeset [7741] by ascheibe


  • prevent uploading of double parameters/results that are NaN
  • when adding a run don't generate duplicate binary datas
19:01 Changeset [7740] by jkarder


  • added custom crossover operator (NChildCrossover)
  • added parameters and adjusted types
  • replaced SolutionCombinationMethod with a placeholder
  • adjusted event handling
  • changed access levels
  • minor code improvements


23:31 Ticket #1831 (SymbolicExpressionTreeGrammar is locked when algorithm is paused and reset) created by abeham
Open sample, view grammar, run sample, pause and prepare it. The …
17:42 Changeset [7739] by gkronber

#1823 set complexity analyzer for symbolic data analysis solutions to disabled by default

17:40 Changeset [7738] by gkronber

#1722 added an additional ctor for RegerssionEnsembleSolution to simplify code.

16:59 Changeset [7737] by epitzer

#1722 add missing Hits property in cloning constructor and clean up code

14:56 Changeset [7736] by sforsten

#1830: the length of lists and dictionaries is set in the constructor

13:48 Changeset [7735] by sforsten


  • set the size of the cache in the constructor of RegressionSolution
  • don't convert the IEnumerable in CalculateResults to arrays anymore
13:44 Ticket #1830 (Improve Memory Allocation for DataAnalysis Problems and Solutions) created by sforsten
Improving the memory allocation, especially for huge datasets.
13:35 Changeset [7734] by gkronber

#1823 Implemented analyzers to collect Pareto-best solutions on validation and fitness calculation partitions for regression and classification.

10:57 Changeset [7733] by gkronber

#1790 added statement to reset the grammar readonly state when the grammar is initialized (on algorithm prepare)

09:37 Ticket #1829 (The DataTableVisualPropertiesDialog throws an Exception for DataTables ...) created by gkronber


16:39 Changeset [7732] by sforsten

#1825: new columns are now inserted next to the selected one. If no column is selected, the new column is inserted at the end

16:38 Changeset [7731] by sforsten

#1818: The previous solution didn't work out.
Similar to the StringConvertibleMatrixView the ColumnGroupView now only updates the row headers which are displayed.

14:29 Ticket #1828 (Add a temperature analyzer to simulated annealing) created by abeham
11:56 Changeset [7730] by sforsten

#1818: the updating of the row headers is now done in the event CellFormatting of the DataGridView, which increases the performance

09:14 Changeset [7729] by sforsten


  • bugfix the method GetEstimatedValues of DiscriminantClassificationWeightCalculator returns real values and not class values
  • changed arguments of method DiscriminantAggregateEstimatedClassValues of DiscriminantClassificationWeightCalculator
  • added two calculators


22:51 Ticket #1827 (Deleting the last job in a HiveJob doesn't update the details view) created by abeham
The details view still shows the job as if it was not deleted.


13:13 Ticket #1826 (Code editor throws exceptions in some cases related to intellisense) created by abeham
When adding a new programmable operator and viewing the code, …


21:56 Changeset [7728] by ascheibe

#1722 display statelog in the correct order and show slave id in tooltip

18:42 Changeset [7727] by jkarder


  • added custom improvement operator (ScatterSearchImprovementOperator)
  • added parameters and adjusted types
  • replaced improvement operators with placeholders
  • changed access levels
11:39 Ticket #1825 (New Column Command should insert the new column next to the selected one) created by mkommend
Currently new columns are added at the end of the column group and …
00:08 Ticket #1824 (Allow to select multiple criteria for the x-axis in the ...) created by abeham
I want to view box plots of my runs by problem and algorithm at the …


18:09 Changeset [7726] by gkronber


  • added analyzer that calculates the complexity of symbolic data analysis trees (weighted symbols)
  • added analyzer that collects the Pareto-optimal solutions regarding complexity and accuracy
18:08 Ticket #1823 (Symbolic data analysis analyzer that collects the Pareto-optimal ...) created by gkronber
18:06 Changeset [7725] by gkronber

#1822 fixed cloning bug in ItemDictionary

17:55 Ticket #1822 (Cloning bug in ItemDictionary) created by gkronber
16:42 Changeset [7724] by jkarder


  • added analyzer
  • added parameters and adjusted parameter types
  • corrected ReferenceSetUpdateMethod
  • changed access levels
14:53 Ticket #1821 (Improve View for the VariableCondition Symbol) created by mkommend
Currently it is not possible to configure the allowed variables for …
12:45 Ticket #1820 (Create Regression and Classificaton problems from the DataImporter) created by mkommend
It should be possible to save data importer files directly as …
12:43 Ticket #1819 (Dialog to set the separator and culture (number and date format) when ...) created by mkommend
DateTimes are not always parsed correctly when importing datasets. …
11:23 Changeset [7723] by ascheibe

#1722 minor improvement of the messages the hive server logs

10:49 Ticket #1818 (ColumnGroupView refreshes very slowly) created by mkommend
A refresh of the ColumnGroupView takes too long and this makes the …
10:42 Changeset [7722] by jkarder

#1331: Scatter Search initial commit


20:59 Blog: HeuristicLab YouTube Channel edited by ascheibe
20:55 Blog: HeuristicLab YouTube Channel created by ascheibe
07:37 Changeset [7721] by gkronber

#1817 added parameter to symbolic data analysis validation analyzers to determine the percentage of best solutions that should be evaluated on the validation set


13:49 Changeset [7720] by ascheibe

#1331 added Scatter Search branch

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