16:32 Changeset [14409] by bburlacu

#2704: Initial commit of HeuristicLab.ExpressionGenerator plugin. Note that the code depends on #2703 which should be merged first.

16:08 Changeset [14408] by mkommend

#2661: Fixed a bug in the TableFileparser that omits the correct detection of DateTime columns.

15:28 Ticket #2705 (Best-known quality only VRP solutions) created by pfleck
Some papers and websites report only the qualities of best-known …
14:50 Ticket #2704 (Generate random regression benchmark instances) created by bburlacu
The ability to randomly generate symbolic regression benchmarks …
14:44 Changeset [14407] by bburlacu

#2703: Implement gamma distribution after "A Simple Method for Generating Gamma Variables" - Marsaglia & Tsang, ACM Transactions on Mathematical Software, Vol. 26, No. 3, September 2000, Pages 363–372.

14:42 Ticket #2703 (Gamma distribution for HeuristicLab) created by bburlacu
A gamma distribution would be a nice addition to HeuristicLab, along …


18:59 Changeset [14406] by jschiess

#1836 SA reheating strategies: Initialize branch with baseversion of SA

17:31 Changeset [14405] by gkronber

#2702: switched axes for predicted and actual values in scatter plot


15:52 Changeset [14404] by bwerth

#2592 several fixes and cleanups to adapt a more HeuristicLab-Code-Style + renaming of folders and Plugin


16:41 Ticket #2702 (Axis for estimated values and for predicted values should be switched ...) created by gkronber


18:41 Changeset [14403] by gkronber

#2650: added support for factor variables to C# formatter

18:39 Changeset [14402] by gkronber

#2650: fixed a bug in constants optimizer in relation to lagged variables

15:43 Changeset [14401] by gkronber

#2650: merged r14378:14400 from trunk to branch

15:41 Changeset [14400] by gkronber

#2697: reverse merge of r14378, r14390, r14391, r14393, r14394, r14396

15:30 Changeset [14399] by gkronber

#2650: merged r14352:14376 from trunk to branch (resolving conflicts in SymbolicDataAnalysisExpressionLatexFormatter


23:14 Changeset [14398] by pkimmesw

#2665 Expressions are splitted into StatefullExpressions and StatelessExpressions, Added traits for tests

00:33 Changeset [14397] by pkimmesw

#2665 Fixed Equals issue for ExecExpandExpression, Parallized CountOdds problem random walk


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

Note: See TracTimeline for information about the timeline view.