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16:58 Changeset [14411] by bburlacu

#2704: Slightly improve usage of ExpressionTemplate class.

16:38 Changeset [14410] by bburlacu

#2704: Added the possibility to sample possible arguments without repetition when instantiating expression templates.


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).

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