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22:06 Changeset [14396] by gkronber

#2697: added methods to get training and test input matrizes from ProblemData

21:53 Changeset [14395] by gkronber

#745: code simplification using functionality from refactored trunk and fixed lambda parameter

21:30 Changeset [14394] by gkronber


  • renamed TreeSimplifier in unit test
21:23 Changeset [14393] by gkronber


  • removed AlglibUtil.cs and added an extension method .ToArray(names, rows) to IDataset instead.
  • refactored transformation so that it is possible to apply an transformation without resetting the parameters
  • Used transformations instead of Scaling as far as possible.
  • Moved TakeEvery extension method to HL.Common
21:10 Changeset [14392] by pkimmesw

#2665 Full Push 3.0 instruction set and tests; Added first benchmark test (count odds) for random walk tests;

20:23 Changeset [14391] by gkronber


  • extended converter for linear models to support lagged variables and changed AR(k) to use this method
20:09 Changeset [14390] by gkronber


  • renaming of folder "Transformation" to "Converters" to distinguish between transformations for variables (from data preprocessing) and classes for transformation of trees.
  • renamed SymbolicDataAnalysisExpressionTreeSimplifier -> TreeSimplifier
  • Implemented a converter to create a linar model as a symbolic expression tree


13:53 Changeset [14389] by jkarder

folder for student implementing reheating strategies for simulated annealing


16:16 Changeset [14388] by pfleck


  • Implemented (re)checking of variables in multi-scatterplot.
  • Added 2 sliders for changing the chart size.
14:31 Changeset [14387] by bwerth

#2700 created initial branch

14:24 Ticket #2701 (Implementation of MemPR) created by abeham
MemPR is short for MEMetic Path Relinking algorithm. It is a …
14:17 Changeset [14386] by bwerth

#2699 moved RadialBasisFunctions from Problems.SurrogateProblem to Algorithms.DataAnalysis

13:45 Changeset [14385] by bwerth

#2699: created branch for radial basis functions regression

13:14 Ticket #2700 (t-Distributed Stochastic Neighbor Embedding) created by bwerth
t-Distributed Stochastic Neighbor Embedding (t-SNE) is a technique for …
12:26 Changeset [14384] by pfleck

#2698 Implemented unchecking of variables in multi-scatterplot.

11:49 Ticket #2699 (Radial Basis Function Regression) created by bwerth
Radial Basis Functions are yet another type of regression model often …
00:25 Blog: Modeling scheduling problems with HeuristicLab created by abeham


15:26 Changeset [14383] by bburlacu

#2679: Sync outer and inner optimizer states (fix pause/resume and stop issues).


16:36 Changeset [14382] by pfleck

#2698 Forgot to uncomment abstract keyword.

16:20 Changeset [14381] by pfleck


  • Refactored CheckedVariablesView out of the ChartView to allow reuse of the checked variables list.
    • The new list visualizes the non-input/target variables in gray.
    • Added context menu to quickly (un)check all variables or only the inputs+target variables.
  • In the Multi-Scatterplot
    • New structure and layout of the single charts to support fixed header rows and columns (for the variable names). Instead, removed the legend of each plot for better usage of plot area.
    • Adapted the new CheckedVariablesView (but hidden until (un)checking is implemented).
15:47 Ticket #2698 (Multi-Scatterplot in Preprocessing crashes HL with high number of variables) created by pfleck
Because the number of charts in the multi-scatterplot scales quadratic …
15:15 Changeset [14380] by bburlacu

#2679: Add GoalSeekingOptimizer and GoalSeekingOptimizerView.

14:55 Changeset [14379] by bburlacu

#2679: Use an item list for models in the goal seeking problems instead of an item collection. Update encoding instead of creating a new one when inputs are changed.

10:49 Changeset [14378] by gkronber


  • created a folder for all classes related to transformation from and to trees
  • created a transformator which takes a tree and uses AutoDiff to produce a function and gradient function for the tree.
  • moved code from SymbolicRegressionConstantOptimizationEvaluator to TreeToAutoDiffTermTransformator to make AutoDiff for trees more accessible
09:43 Ticket #2697 (Refactor certain parts for data-based modeling) created by gkronber
* Move translation to AutoDiff out of evaluator * Create …
09:40 Changeset [14377] by gkronber

#745: added alpha to description of penalty parameter


17:10 Documentation/DevelopmentCenter edited by gkronber
added links to project templates (diff)
16:43 Ticket #2696 (Clear BestKnownSolution and BestKnownQuality when problem instances changes) created by abeham
The BKS and BKQ might likely be invalid when the instance data …


14:06 Changeset [14376] by bburlacu

#2672: Updated cloning mechanism to conform to the HL standard.

08:40 Changeset [14375] by gkronber

#745: 'Coefficient values' -> 'Coefficients'


19:30 Changeset [14374] by gkronber

#745 added number of variables as secondary axis to the chart for coefficient values and changed x-axis to log-scaled.

09:06 Changeset [14373] by gkronber


  • using a line chart (IndexedDataTable) instead of a scatter plot
  • added number of variables (non-zero coefficients) to the line chart
08:14 DevelopersTeam edited by gkronber


18:04 Changeset [14372] by mkommend

#2672: Adapted OnlineAccuracyCalculator to use correct deep cloning pattern.

17:46 Changeset [14371] by mkommend

#2663: Fixed minor type in comment of PreprocessingChartView (uncheckt -> unchecked).

17:33 Changeset [14370] by mkommend

#745: Addressed some easy to implement review comments:

  • missing license header
  • renaming of variables
  • extracted DLLImports into a separate file
  • corrected plugin dependencies


15:03 Ticket #2695 (Line charts for regression should show an ID column along the x-axis) created by gkronber
For instance if the data are ordered by time the time should be shown …
12:47 Changeset [14369] by pfleck

#2694: Created the ExportDialog lazily.

12:43 Ticket #2694 (Lazy-loading of the ExportDialog in the EnchancedChart) created by pfleck
The ExportDialog is currently instantiated during the constructor of …
12:01 Ticket #2693 (Allow multi-selection for columns in the datagrid in the ...) created by gkronber
This is for example convenient if multiple columns should be deleted


21:11 Changeset [14368] by gkronber

#2690: recalculate RF if required before extracting a specific tree

Note: See TracTimeline for information about the timeline view.