Timeline
07/11/16:
 22:28 Ticket #2633 (Solution caching to avoid costly reevaluations) created by
 I implemented the u574 TSP instance in form of a programmable problem …
 15:03 Changeset [14036] by

#2627: Fixed bug in constant optimization of trees with unary subtraction symbols.
 14:32 Changeset [14035] by

 Fixed bug that occurs when runs of unequal length are aggregated over multiple problem instances
 14:05 Changeset [14034] by

#2610 Added format specifier for ToString calls.
07/09/16:
 19:42 Changeset [14033] by

#2615: fixed the problem where an exception occurred in object graph traversal when an algorithm is stopped
 19:40 Changeset [14032] by

#2626: reverted changes from r13998 and introduce a new attribute (ExcludeFromObjectGraphTraversalAttribute) which can be used to mark fields that should be excluded from object graph traversal
07/08/16:
 17:14 Changeset [14031] by

#2288 moved native dlls out of the folder to make sure that HL discovers the files
 16:10 Ticket #2632 (Legends for charts for data analysis solutions should show the target ...) created by
 * The Scatterplot should contain the name of the target variable in …
 15:30 Changeset [14030] by

#1087 several fixes according to the reviev comments in comment 31
 14:40 Changeset [14029] by

#2434: merged trunk changes r12934:14026 from trunk to branch
 14:39 Ticket #2541 (Studentt Process) closed by
 done: r14028: Merged r13975 into stable.
 14:39 Changeset [14028] by
 14:37 Ticket #2604 (Retrieve variables used for prediction in data analysis solutions/models) closed by
 done: r14027: Merged r13826,r13921, r13922, r13941, r13992, r13993, r14000 …
 14:37 Changeset [14027] by

#2604: Merged r13826,r13921, r13922, r13941, r13992, r13993, r14000 intos table.
 14:30 Changeset [14026] by

#2627: sealed parser and formatter for infix expressions
 14:24 Ticket #2591 (Evaluation of GaussianProcessModels should be faster) closed by
 done
 14:16 Changeset [14025] by

#2610 Use TimeSpan.TryParseExact to avoid parsing illegal strings, e.g "24:00:00" since h must be 023.
 14:13 Ticket #1795 (Gradient boosting metalearner for regression and classification) closed by
 done
 13:49 Changeset [14024] by

#2627: added first implementation of nonlinear regression algorithm + formatter and parser for infix expressions
 12:30 Ticket #2612 (Regression tree models should support evaluation even when some of the ...) closed by
 done: r14023: Merged r13895 and r14017 into stable. r14015 and r14016 have …
 12:30 Changeset [14023] by

#2612: Merged r13895 and r14017 into stable. r14015 and r14016 have been recorded in the merge info, but haven't actually be merged.
 12:25 Ticket #2595 (VariableImpactsCalculator for RegressionSolutions) closed by
 done: r14022: Merged r13766, r13942, r13985, r13986, r13987 into stable.
 12:25 Changeset [14022] by

#2595: Merged r13766, r13942, r13985, r13986, r13987 into stable.
 10:18 Ticket #2631 (Confidence Intervals for Random Forest Regression) created by
 The IConfidenceBoundRegressionModel/Solution could also be …
07/07/16:
 19:31 Changeset [14021] by

#2594: Fixed some additional issues with the density charts (which are now turned on by default).
 18:11 Changeset [14020] by

#2161: first commit of branch
 16:33 Changeset [14019] by

#2615:
added jobguid as parameter, so it can be accesed from outside the analyzer
 14:14 HeuristicLabGridBrainstorming edited by
 revert mathjax test (diff)
 14:13 Changeset [14018] by

#1087: Rewrote and adapted the multiobjective calculators.
 14:12 HeuristicLabGridBrainstorming edited by
 mathjax test (diff)
 13:18 Changeset [14017] by

#2612: added NaN handling for the evaluation of regression tree models (GBT)
 13:17 Changeset [14016] by
 12:51 Ticket #2630 (Partial dependence plots for gradient boosted trees) created by
 as described in "Greedy function approximation" paper
 12:51 Changeset [14015] by

#2612: added NaN handling for the evaluation of regression tree models (GBT)
 11:41 Changeset [14014] by

#2594: Fixed small issue with layout update when the number of columns was changed. Improved layout of the configuration panel. Made GradientView invisible as an item in the Solution View.
 10:34 Changeset [14013] by

#2615: fixed sorting of individuals and readded ClearState method
 10:26 Ticket #2629 (VRP solution candidates (using AlbaEncoding) contain a reference to ...) created by
 This is the case for almost all VRP solution candidates.
 10:22 Ticket #2628 (Population variance should be available as enumerable extension) closed by
 done: r14012: Merged r14011 into stable.
 10:22 Changeset [14012] by
07/06/16:
 19:46 Changeset [14011] by

#2628: Added methods for calculating the population stddev and variance of IEnumerable<double>.
 19:45 Ticket #2628 (Population variance should be available as enumerable extension) created by
 Currently only the sample standard deviation and variance can be …
 16:49 Changeset [14010] by

#2615:
fixed bug so that at least one individuem is migrated
 16:47 Changeset [14009] by

#2615:
made minor changes,
wrong commit happende last time, so still tbd:
sort List
dispose of anaylzer is never called
 14:50 Changeset [14008] by

#2594: Added chart util method to calculate the "optimal" axis interval (reducing the number of fractional digits to make it look nice). Modified the regression solution line chart and scatter plot to use the new scaling method.
 07:35 Ticket #2627 (Nonlinear regression based on a given model structure) created by
07/05/16:
 23:24 Changeset [14007] by

#2594: Fixed small scaling bug when calculating the necessary decimals for the axis interval.
 22:43 Changeset [14006] by

#2597: Fixed a couple of bugs in the GradientChart related to the configuration of axis limits.
 21:41 Ticket #2619 (FeatureCorrelation should have an option to ignore missing values) closed by
 done: r14005: Merged r13938 and r14001 into stable.
 21:41 Changeset [14005] by
 21:35 Ticket #2609 (Cannot apply constant optimization on simplified trees) closed by
 done: r14004: #2584: Merged r13670 and r13916 into stable. #2609: Merged …
 21:35 Ticket #2584 (ConstantOptimization should be configurable to ignore variable weights) closed by
 done: r14004: #2584: Merged r13670 and r13916 into stable. #2609: Merged …
 21:34 Changeset [14004] by

#2584: Merged r13670 and r13916 into stable.
#2609: Merged r13869 and r13900 into stable.
 21:25 Ticket #2243 (JavaScript error when showing symbolic models in mathematical notation ...) closed by
 done: r14003: Merged r13932, r13933, r13984 into stable.
 21:25 Changeset [14003] by
 21:22 Ticket #2614 (Name of Job Shop Scheduling Solution is not set (GUI lockup)) closed by
 done: r14002: Merged r13983 into stable.
 21:22 Changeset [14002] by
 18:11 Changeset [14001] by

#2619: changed the text for the ignoreMissingValuesCheckbox
 14:05 Changeset [14000] by

#2604: Removed default ctor arguments for the target variable in regression and classification models.
 13:30 Changeset [13999] by

#2597: Fix position of the error provider icon for the validation of the columns textbox. Removed .resx files from project.
 12:02 Changeset [13998] by

#2626: excluded all TypeInfo objects and all instances of types from the System.Runtime.Serialization assembly
 12:00 Ticket #2626 (Make it possible to exclude fields from object graph traversal explicitly.) created by
 We encountered a problem in the object graph traversal in connection …
 11:57 Changeset [13997] by

#2615 removed initState override and updated references to trunk
 11:52 Changeset [13996] by

#2597: Removed resx files from project. Better handling of model simplification.
 02:44 EvoSoft edited by
 (diff)
07/04/16:
 23:43 Changeset [13995] by

#2597: Improved drag & drop support for all charts. Added configuration option to adjust the number of columns in the view. Fixed bug where attempting to set row & column style would result in an exception. Fixed boundaries of the vertical annotation line in the GradientChart.
 23:40 Changeset [13994] by

#2597: Merged trunk changes.
 23:11 Ticket #2625 (Improve symbolic simplifier to allow simplification using approximations) created by
 E.g. 1/(1+e) ~ 1  e for e < 0.03
 23:02 Ticket #2624 (Improve symbolic simplifier for expressions) created by
 Related to #2609. Where it was observed that "I'm surprised that it is …
 22:49 Changeset [13993] by

#2604: minor changes in time series models and fix build fail
 22:29 Changeset [13992] by

#2604: set default target variable to string.Empty in AfterDeserialization hook for regression and classification models and changed a few ctor calls to correctly pass the target variable
 19:15 Ticket #2623 (Exception when dropping a new problem data onto the simplifier view ...) created by
 It is possible to drop ProblemData objects onto regression solutions …
 10:34 Changeset [13991] by

#1087 removed unused function
 10:11 Changeset [13990] by

#2592 reimplemented Indicators
 09:58 Changeset [13989] by

#1087 removed unused usings
 09:47 Changeset [13988] by

#1087 moved project bugfixes
07/03/16:
 20:22 Ticket #2622 (Handle missing values (i.e. NaN) correctly when training GBT models) created by
 Right now GBT training only uses comparison operators and assumes that …
 20:12 Changeset [13987] by

#2595: fixed build fail (added plugin dependency to the wrong plugin)
 20:09 Ticket #2617 (Local search seems to perform differently for singleobjective test ...) closed by
 worksforme: Thanks for testing this and for preparing the demo problem implementation.
 19:56 Changeset [13986] by

#2595: added two new variants for variable impact calculation (shuffle and Gaussian noise)
 19:45 Changeset [13985] by

#2595: two small fixes in RegressionSolutionVariableImpactsCalculator
 19:24 Changeset [13984] by

#2243: added javascript method to allow repainting the formula when we change the model (relevant when using the mathjax view together with the simplifier).
07/02/16:
 17:02 Changeset [13983] by

#2614: Set default name for schedule and made class sealed.
 15:23 Changeset [13982] by

#2615:
made minor changes
 14:46 Ticket #2590 (RegressionEnsembles should support weighting of the estimated values) closed by
 done
 14:46 Ticket #2611 (Add SARCOS (inverse dynamics) as a real world regression problem instance) closed by
 done
 14:46 Ticket #2071 (Refactor TableFileParser) closed by
 done
 14:46 Ticket #2589 (Possibility to prevent resizing of ValueTypeArrays) closed by
 done
 14:38 Changeset [13981] by

#2591: merged r13438 (#2541), r13721, r13724, r13784, r13891 from trunk to stable
 14:05 Changeset [13980] by
 14:03 Changeset [13979] by
 13:56 Changeset [13978] by

#1795: removed MCTS symb reg as algorithm in GBM to cut the dependency between GBM and MCTS symb reg (MCTS symb reg not ready for release yet)
 09:08 Changeset [13977] by

#1795: merged r13646,13653,13655,13699,13703,13707,13889,13898,13917 from trunk to stable
 09:02 Changeset [13976] by

#2590 merged r13697:13698, r13700:13702, r13704:13705, r13711, r13715 from trunk to stable
 08:22 Changeset [13975] by

#2541: deleted implementation for studentT process
Reasoning:
Codeduplication
Implementation is not stable enough yet
Functionality has not been very useful so far.
 08:15 Changeset [13974] by

#2071: merged r13411,r13413,r13414,r13415,r13419,r13440,r13441,r13442,r13445,r13447,r13525,r13526,r13529,r13584,r13901,r13925 from trunk to stable
 07:54 Changeset [13973] by
07/01/16:
 20:24 Changeset [13972] by

#2615:
improved log
made changes in data structure
 19:23 Changeset [13971] by

#2615:
increased message size to 20MB
made changes in some interfaces
 17:53 Changeset [13970] by

#2615:
made minor changes
 17:25 Changeset [13969] by

#2615:
implemented migration strategies
log in HL now also logs exceptions of peers
 14:59 Changeset [13968] by

#2288: Update project file.
 14:58 Changeset [13967] by

#2288: Provide binaries of the external libraries upon which this branch depends.
 11:48 Changeset [13966] by

#2615:
made minor change
 10:47 Changeset [13965] by

#2615:
made minor changes
 09:14 Changeset [13964] by

#2527 Removed some commented out code.
06/30/16:
 16:13 Changeset [13963] by

#2618: added graphviz output for the variable network instances
 14:09 Changeset [13962] by

#2558 cloning constructor to public
 14:06 Changeset [13961] by

#745: minor change to compile with current trunk
 13:24 Changeset [13960] by

#2615 debugging and changes preparing for different migration strategies
 11:24 Ticket #2621 (ClearState is not called when a window is closed) created by
 > check
06/29/16:
 22:23 Changeset [13959] by

#2615:
it works
 18:00 Changeset [13958] by

#2620: Made data points in the regression solution scatter plot semitransparent per default.
 17:59 Ticket #2620 (RegressionSolution Scatterplots should use semitransparent data points) created by
 When working with larger datasets (> 10k rows) the scatter plot is not …
 17:21 Changeset [13957] by

#2615:
implemented mechanism to check wheter recieved packages are from the same problem instance or not
added several config parameters to P2PMigrationAnalyzer
added new enum for migration strategies
 15:28 Changeset [13956] by

#2615:
finally fixed bug concerning message send to the wrong peers
also made communicationRate and messageCacheCapacity as paramters
integration in P2PMigrationAnalyzer still TBD
 14:26 Ticket #2565 (AlgorithmView clears the ViewType of the ProblemViewHost leaving the ...) closed by
 done
 14:21 Changeset [13955] by
 14:19 Ticket #2599 (DateManipulation throws a GDI exception) closed by
 done: r13954: Merged r13796 into stable.
 14:18 Changeset [13954] by
 14:15 Ticket #2602 (Enumerable extensions for generating kcombinations of elements from a ...) closed by
 done: r13953: Merged r13802, r13899 into stable.
 14:15 Changeset [13953] by
 14:13 Ticket #2571 (Create a RandomSearchAlgorithm) closed by
 done: r13952: Merged r13580, r13581, r13677, r13679, r13680, r13863 into stable.
 14:12 Changeset [13952] by

#2571: Merged r13580, r13581, r13677, r13679, r13680, r13863 into stable.
 14:02 Ticket #2542 (Estimated values view should also show predictive variance for each ...) closed by
 done: r13951: Merged r13439 and r13592 into stable.
 14:02 Changeset [13951] by
 13:59 Ticket #2572 (SymbolicRegressionSolutionsAnalyzer should also add training and test ...) closed by
 done: r13950: Merged r13582 and r13660 into stable.
 13:59 Changeset [13950] by
 13:57 Ticket #2593 (Add method to convert a Dataset into a Modifiable dataset and ...) closed by
 done: r13949: Merged r13760 and r13761 into stable.
 13:56 Changeset [13949] by
 10:36 Changeset [13948] by

 Merged recent trunk changes.
 Adapted VariablesUsedForPrediction property for RegressionSolutionTargetResponseGradientView.
 Fixed a reference (.dll to project ref).
 01:27 Changeset [13947] by
 00:50 Changeset [13946] by

#2615:
Fixed bug with reading queues
made all lockobjects static
 00:24 Changeset [13945] by

#2615:
fixed major bug in PeerNetworkMessageHandler, because one queue was missing for the sending queues
06/28/16:
 23:26 Changeset [13944] by

#1772: Fix bug in fragment length calculator leading to exception when we try to compute the average out of an empty sequence of fragment lengths.
 17:03 Changeset [13943] by

#2615:
implemented lock for timers, because if elapsedmethod takes longer than the timer to elapse again, the method is called by another thread conccurently
 14:26 Changeset [13942] by

#2595: Corrected tooltip on the variable impacts button and disabled the button when the content is locked.
 13:33 Changeset [13941] by

 Base classes for data analysis, classification, and regression models
 Added target variable to classification and regression models
 Switched parameter order in data analysis solutions (model, problemdata)
 12:53 Changeset [13940] by

#745:
 added scatterplot of R² values over lambda instead of line chart,
 normalized coefficient values in coefficient path chart
 changed parameter lambda to LogLambda
06/27/16:
 17:45 Changeset [13939] by

#2618: added regression benchmark instances (random functions) and first implementation of synthetic benchmark instances for variable networks
 15:28 Changeset [13938] by

 Refactored and separated the different feature correlation calculations.
 Added a checkbox to ignore missing values in the calculation.
 15:25 Ticket #2619 (FeatureCorrelation should have an option to ignore missing values) created by
 If just one value of a feature is missing, no correlation will be …