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16:20 Changeset [14259] by gkronber

#2650: added support for factor variables to Excel formatter and Excel exporter as well as to the Latex formatter and consequently the mathematical representation view.

13:14 Ticket #2659 (Improve serialization and deserialization of Dataset) created by gkronber
It seems persistence of the individual columns (IList) is very slow. …
12:19 Changeset [14258] by gkronber

#2657: added random restarts for NonlinearRegression (curve fitting) algorithm


17:34 Documentation/DevelopmentCenter/CreateNewPluginUsingVS edited by swagner
17:31 Documentation/DevelopmentCenter/DeveloperGuidelines edited by swagner
17:28 Blog: New Website and Subversion URL edited by swagner
15:09 Ticket #2658 (Evaluation results are different after opening the simplifier view for ...) closed by gkronber
14:40 Changeset [14257] by abeham

#2651: removed failing tests from project, still left in Repository (renamed category from igraph to ExtLibs.igraph)

14:08 Ticket #2658 (Evaluation results are different after opening the simplifier view for ...) created by gkronber
12:37 Changeset [14256] by abeham


  • reverted Builder.testsettings
  • fixed bug in DllImporter (64bit call forwards)
12:04 Changeset [14255] by pfleck


  • Added the name of the target variable in plots and charts (scatter, line, ...).
  • Renamed MathSymbolicDataAnalysisModelView and added two subclasses for regression and classification that shows the name of the target variable in the equation. (added and used a new Format method to the LatexFormatter that uses the actual target name when encountering the StartSymbol)


14:20 Changeset [14254] by gkronber

removed logging

13:30 Changeset [14253] by gkronber

bugfixing (memory leaks)

09:15 Changeset [14252] by thasling

added IDisposable to classes with Dispose()-Method


20:10 Changeset [14251] by gkronber


  • extended non-linear regression to work with factors
  • fixed bugs in constants optimizer and tree interpreter
  • improved simplification of factor variables
  • added support for factors to ERC view
  • added support for factors to solution comparison view
  • activated view for all factors
12:37 Ticket #2657 (Possibility to do multiple random restarts for non-linear regression ...) created by gkronber
11:43 Ticket #2656 (Terms should be ordered by impact after simplification of symbolic ...) created by gkronber
07:18 Documentation/DevelopmentCenter/IntegrateHeuristicLab edited by abeham


16:26 Changeset [14250] by abeham

#2651: removed workaround, added application base directory

15:34 Changeset [14249] by gkronber

#2650 added new symbol FactorVariable (renamed previous symbol to BinaryFactorVariable)
Work in progress.

15:18 Changeset [14248] by gkronber

#2650: added support for factor variables to target variation view together with Philipp

13:49 Changeset [14247] by abeham


  • partially reverted builder testsettings
  • added example on how to use native callbacks (depth-first-search and bfs)
10:47 Changeset [14246] by abeham

#2651: updated test settings (deployment items)


23:36 Changeset [14245] by abeham

#2651: worked on igraph integration

20:48 Changeset [14244] by abeham

#2651: worked on igraph integration, additional layout algorithms, density, page rank

  • added unit tests
13:00 Changeset [14243] by gkronber

#2650: renamed FactorVariable -> BinaryFactorVariable

11:39 Changeset [14242] by gkronber

#2650: added support for factor variables to OneR algorithm

10:22 Changeset [14241] by gkronber

#2650: added support for factor variables in specific solution comparison view for symbolic classification solutions


18:44 Changeset [14240] by gkronber

#2650: added support for categorical variables to LDA and MNL (TODO: OneR )

17:40 Changeset [14239] by gkronber

#2650: merged r14234:14236 from trunk to branch

17:34 Changeset [14238] by gkronber


  • added weight for FactorVariable (necessary for LR)
  • introduced VariableBase and VariableTreeNodeBase and IVariableSymbol
  • support for factors in LR
  • extended variable impacts in solution view
  • fixed ERC view for regression
  • support for FactorVariable in simplifier
  • improved support for FactorVariable in constants optimizer
  • multiple related changes and small fixes
14:25 Changeset [14237] by gkronber

#2650: work in progress..

13:42 Ticket #2655 (Symbolic regression variable coefficients are never mutated using an ...) created by gkronber
Bug in the code: […]
11:58 Changeset [14236] by gkronber

#2653: added synchronization in NearestNeighbourModel and made some related changes to GradientBoostedTreesModelSurrogate

11:45 Ticket #2654 (Neural network model does not scale input variables) created by gkronber
Also neural network ensemble model


17:09 Changeset [14235] by gkronber

#2652: added scaling and optional specification of feature-weights for kNN

16:42 Changeset [14234] by abeham

#2651: initial commit of igraph in ExtLibs

16:04 Ticket #2653 (GetEstimatedValues is not thread-safe for k-nearest neighbours model) created by gkronber
14:28 Ticket #2652 (Scaling of variable values is missing for k-nearest neighbors models) created by gkronber
Input variables are not scaled and it is not possible to specify …
11:18 Ticket #2651 (Integrate igraph in HeuristicLab) created by abeham
"igraph is a collection of network analysis tools with the emphasis on …


18:59 Changeset [14233] by gkronber

#2650 added to files missed in the last commit

18:54 Changeset [14232] by gkronber

created a feature branch for #2650 (support for categorical variables in symb reg) with a first set of changes

work in progress...

18:26 Changeset [14231] by bburlacu

#2635: Add evaluator option to aggregate statistics during evaluation (slower). Improve analyzer.

18:10 Ticket #2650 (Support for categorical variables (R factors) for symbolic regression ...) created by gkronber
We frequently encounter regression / classification problems where the …
08:55 Changeset [14230] by gkronber

#2631: minor change

08:33 Changeset [14229] by gkronber

#2371: removed usage of C# 6.0 readonly properties

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