HeuristicLab Change Log

HeuristicLab 3.3.3 - Pending

Features and Enhancements:

Ticket	Component	Summary	Status
#1345	Algorithms.DataAnalysis.Views	Problems can't be dropped on a CrossValidation	closed
#1344	Algorithms.GeneticAlgorithm	EvaluatedSolutions result for GAs	closed
#1040	Algorithms.NSGA2	Implement NSGA-II	closed
#1343	Algorithms.TabuSearch	Add a memory to the tabu search algorithm	closed
#1303	Analysis	Analyzers for population diversity and allele frequencies should store results in collections with parametrizable names	closed
#1338	Analysis	DataTable should be unsealed	closed
#1337	Common.Resources	Rename image library and add further icons	closed
#1324	Core.Views	Improve performance of item collection views	closed
#1269	Data	Add RowsChanged, ColumnsChanged event to ValueTypeMatrix<T>	closed
#47	DebugEngine	Implement an engine for debugging purposes	closed
#1394	Encodings.RealVectorEncoding	Separate NormalAllPositionsManipulator in a self-adaptive and normal variant	closed
#1395	Encodings.RealVectorEncoding	Change bounds handling in RealVector operators	closed
#1384	Encodings.SymbolicExpressionTreeEncoding	Implement a mutation operator that multiplies constant factors and weights with a normally distributed random variable ~ N(1,0.03)	closed
#1398	Encodings.SymbolicExpressionTreeEncoding	FunctionFrequencyAnalyzer for symbolic expression trees	closed
#1312	MainForm.WindowsForms	The ViewHost should have an option to hide its icon	closed
#1372	MainForm.WindowsForms	Provide ability to reuse views if the content is already displayed	closed
#1362	Operators.Views	Enable breakpoint flags of operators in every algorithm	closed
#1327	Optimization	UserDefinedAlgorithms should update the problem specific analyzers	closed
#1378	Optimization	BatchRuns should be able to deal with optimizers	closed
#1389	Optimization	Provide a base class for multi-objective problems	closed
#1056	Optimization.Views	Improve BubbleChartView for RunCollection	closed
#1333	ParallelEngine	Implement ParallelEngine	closed
#1341	Parameters	The actual name of LookupParameters should never be empty	closed
#1390	Parameters.Views	ConstrainedValueParameters.ValidValues cannot be changed in the GUI	closed
#1375	Persistence	When serializing HashSets also serialize the type of the EqualityComparer	closed
#1385	Persistence	Enable persistence properties which have only a getter or a setter but not both	closed
#1403	Persistence	XmlGenerator should show which types were used for serialization	closed
#1320	PluginInfrastructure	Add possibility to start sandbox with custom configuration file	closed
#1152	Problems.DataAnalysis	Functionality to export symbolic regression solutions as latex expressions.	closed
#1173	Problems.DataAnalysis	Extend csv importer for data files to support more data formats	closed
#1256	Problems.DataAnalysis	Time-lag, differential, and integral symbols for symbolic regression as functions	closed
#1302	Problems.DataAnalysis	Mean values for constants and variables are displayed as 'nu'	closed
#1314	Problems.DataAnalysis	Implement representation of symbolic expressions in MATLAB syntax	closed
#1374	Problems.DataAnalysis	Power & Root symbol for GP	closed
#1381	Problems.DataAnalysis	Adapt Maximization parameter when Evaluator changes	closed
#1387	Problems.DataAnalysis	Implement grammar that enforces that boolean and real-valued expressions cannot be mixed	closed
#1388	Problems.DataAnalysis	Default sigma for variable weights should be 0.05 instead of 1	closed
#1400	Problems.DataAnalysis	State of symbolic expression interpreter should be encapsulated into a class	closed
#1360	Problems.TestFunctions	Reduce memory and persistence footprint of SingleObjectiveTestFunctionSolution	closed
#1336	Tests	Run unit tests after each nightly build	closed
#1289	ZZZ OBSOLETE: Problems.DataAnalysis.Classification.Views	For binary classification tasks the AUCs in the ROC view should be the same	closed
#1339	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Remove regression specific actual names from problem base classes	closed
#1356	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Overfitting analyzer for symbolic regression	closed
#1369	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Symbolic regression analyzer for the training best solution	closed

Bugs:

Ticket	Component	Summary	Status
#1397	Algorithms.EvolutionStrategy	EvolutionStrategy does not correctly parameterize depth in Analyzer operators	closed
#1305	Analysis.Views	Correct project references of HeuristicLab.Analysis.Views	closed
#1367	Core	Updating ExecutionTime in Engine is not thread-safe	closed
#1294	Core.Views	LogView is very slow when the Log contains many messages	closed
#1308	Encodings.RealVectorEncoding	Michalewicz Manipulators fail when used in MultiRealVectorManipulator	closed
#1245	Encodings.SymbolicExpressionTreeEncoding	GP subtree crossover throws exception	closed
#1296	ExtLibs	Missing dependency in SharpDevelop	closed
#1401	MainForm.WindowsForms	The View host throws an exception for nested experiments	closed
#1310	Operators.Programmable	Crash in ProgrammableOperator when selecting ALGLIB assembly	closed
#1322	Operators.Programmable	Unable to set breakpoint on ProgrammableOperator	closed
#1363	Operators.Programmable	Exception when compiling a new ProgrammableOperator	closed
#1366	Operators.Programmable	ObjectDisposedException in View for ProgrammableOperator	closed
#1405	Operators.Programmable	ProgrammableOperator chokes on Linq statements	closed
#1291	Operators.Views.OperatorGraphVisualization	Previous initial operator remains green	closed
#1355	Optimization	EngineAlgorithm should cleanup itself after it stopped	closed
#1382	Optimization	Cannot set problem of empty UserDefinedAlgorithm	closed
#1307	Optimization.Views	RunCollectionConstraints change their status when displayed	closed
#1402	Optimization.Views	A batch run is stopped whenever an additional view is closed	closed
#1376	Persistence	PersistenceException: security transparent 'DynamicClass.()' cannot access security critical methods	closed
#1408	Persistence.UnitTest	Persistence tests fail on build server	closed
#1297	PluginInfrastructure	SandboxManager fails to load plugins properly	closed
#1309	PluginInfrastructure	RealVectorAdditiveMoveWrapper is visible through the discovery mechanism	closed
#1357	PluginInfrastructure	If a plugin cannot be disabled, an incorrect message is shown	closed
#1246	Problems.DataAnalysis	Variables frequencies chart shows also variables that are not considered for the modeling process	closed
#1340	Problems.DataAnalysis	SymbolicSimplifier does not always work as expected	closed
#1354	Problems.DataAnalysis	Parameters MaxFunctionDefiningBranches and MaxFunctionArguments for ADFs cannot be changed directly	closed
#1200	Problems.DataAnalysis.Views	Variable impact view also includes filtered runs into calculation of variable impacts	closed
#1306	Problems.DataAnalysis.Views	The LineChartView does not reset the zoom factor on double click	closed
#1293	Problems.ExternalEvaluation.GP	SymbolicExpressionTreeStringConverter throws an exception	closed
#1346	Problems.VehicleRouting	There is a problem serializing some VRP move operators	closed
#1393	Selection	Operator "Replacer" in island algorithms produces an exception	closed
#1351	Tests	The StorableConstructor- and CloningConstructorUnitTest fail if all tests in the solution are executed	closed
#1342	ZZZ OBSOLETE: Problems.DataAnalysis.Classification	Cloning of ClassificationProblems changed its parameters	closed
#1373	ZZZ OBSOLETE: Problems.DataAnalysis.Classification	Validation range in ClassificationProblems is not updated correctly	closed
#1383	ZZZ OBSOLETE: Problems.DataAnalysis.Classification	Thresholds are not optimally set in classification solutions	closed
#1391	ZZZ OBSOLETE: Problems.DataAnalysis.Classification	Naming of results of classification problem should be improved	closed
#1286	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Display of values does not work properly in interactive solution simplifier	closed
#1315	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	MaxExpressionDepth must not be smaller than 3 in the SymbolicRegressionProblemBase	closed
#1352	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	NullReferenceException in SymbolicRegressionScaledMeanSquaredErrorEvaluator	closed
#1359	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Typo in result name for best validation solution	closed
#1368	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Complexity (height and length) of best solution should be available as result	closed

Tasks:

Ticket	Component	Summary	Status
#875	ExtLibs	Update ALGLIB sources	closed
#1318	General	Correct trunk solution file and folder	closed
#1350	General	Migrate to .NET 4.0	closed
#1353	General	Remove outdated HeuristicLab API documentation	closed
#1406	General	Release HeuristicLab 3.3.3	closed
#1326	MainForm.WindowsForms	Move dispose method in ContentView out of the designer generated file	closed

HeuristicLab 3.3.2 - November 22nd, 2010

Features and Enhancements:

Ticket	Component	Summary
#925	Analysis	Enhance visualization of DataTables
#1188	Analysis	Implement population diversity analysis
#1234	Analysis	Implement allele frequency analysis
#841	Common.Resources	Add images from the Visual Studio 2008 image library
#1241	Core.Views	Set focus in TypeSelector to the textbox
#922	General	Refactor cloning
#959	General	Correct EventPattern in HL
#1155	General	Review and unify the readonly and locked state of views
#1211	MainForm.WindowsForms	The ViewHost should cache the last displayed view if the content is set to null
#1275	Operators.Programmable	The ProgrammableOperator should be a SingleSuccessorOperator
#1171	Optimization	Create a base class for problems
#1232	Optimization	Correct bugs of Problem and SingleObjectiveProblem
#1135	Optimization.Views	Improve BubbleChartView and BoxplotView
#1253	Optimization.Views	The RunCollectionTabularView should display some statistical information about the selected cells.
#1261	Optimization.Views	Automatic Coloring in BubbleChart
#1262	Optimization.Views	The BoxPlotView should also show Min and Max in the statistical informations
#1284	Optimization.Views	Improve performance of RunCollectionView
#1240	Optimizer	Keyboard shortcuts to close open tabs
#1199	Problems.DataAnalysis	Crossvalidation for DataAnalysis algorithms
#1228	Problems.DataAnalysis.Views	Export functionality for data analysis views: scatter-plot, line-chart, symbolic tree view ...
#1236	Problems.VehicleRouting	Add best known solution import for the VRP
#1237	Visualization.ChartControlsExtensions	Create subclass of chart to implement advanced functionality
#939	ZZZ OBSOLETE: Problems.DataAnalysis.Classification	Data types and operators for classification problems

Bugs:

Ticket	Component	Summary
#1226	Algorithms.DataAnalysis	Exception when trying to retrieve the estimated values of a SVM solution
#1257	Algorithms.DataAnalysis	Reset of cross-validation throws exception
#1244	Algorithms.LocalSearch	Possibly superflous Placeholder
#1164	Analysis	Viewing an empty DataTable (with no rows) with a StringConvertibleMatrixView crashes HL
#1277	Core.Views	Operators SideBar freezes HL when deleting in search box
#1230	Data.Views	Coping (CTRL-C) values from a StringConvertibleMatrixView throws an exception
#1283	Data.Views	StringConvertibleMatrixView can not handle a large amount of columns
#1218	General	License files for HeuristicLab-3.3 and HeuristicLab.SharpDevelop contain placeholders.
#1239	General	Some plugins have unnecessary or missing references / dependencies
#1268	General	A severe memory leak exists when executing an algorithm multiple times
#1273	Operators.Views.OperatorGraphVisualization	The OperatorGraphVisualization throws an exception if shapes are copied &pasted
#1231	Optimization	Experiments do not change their ExecutionState correctly
#1213	Optimization.Views	The RunCollectionTabularView throws an exception when the RunCollection gets modified
#1225	Optimization.Views	The status of executables views is not updated correctly
#1251	Optimization.Views	RunCollection tabular view selects different columns when new parameters are added
#1264	Optimization.Views	Runs are not opened after a double click on the row header in the RunCollectionTabularView
#1272	Optimization.Views	The RunCollectionBubbleChart crashes if the jitter is changed bevor the axis have been chosen
#1281	Optimization.Views	Context menu for opening the box plots view is missing in the bubble chart
#1249	Optimizer	Optimizer is disabled when HeuristicLab is started on a PC without chart controls
#1259	Problems.DataAnalysis.Views	Import from CSV button is only partially visible in data tab of symbolic regression solution view
#1263	Problems.DataAnalysis.Views	The Import button should not be disabled in the DataAnalysisProblemDataView

Tasks:

Ticket	Component	Summary
#1274	Encodings.SymbolicExpressionTreeEncoding	Remove unused project file in HeuristicLab.Encodings.SymbolicExpressionTreeEncoding
#1271	General	Release HeuristicLab 3.3.2
#1280	General	Fix Netron diagramming library automated build

HeuristicLab 3.3.1 - September 29th, 2010

Features and Enhancements:

Ticket	Component	Summary
#1030	Algorithms.OffspringSelectionGeneticAlgorithm	Add a MaximumEvaluatedSolutions termination criterion to offspring selection algorithms
#1127	Analysis.Views	Export functionality for charts
#1129	Core	Correct persistence of constraints
#1143	Core	Contents should not be cloned before they are saved
#1193	Core	Not all items should be savable
#1095	Core.Views	Enable hiding details in collection views
#1156	Core.Views	CollectionViews should call the AdjustListViewColumnSizes method only once
#1162	Core.Views	The type selector dialog should only show instantiable types
#1201	Data.Views	The StringConvertibleValueView should have a property to indicate if the label is visible
#1083	Encodings.PermutationEncoding	Add additional move operators for permutation
#1035	Encodings.RealVectorEncoding	Improve description of RealVector Crossovers
#1073	Encodings.SymbolicExpressionTreeEncoding	Improve efficiency of symbolic-expression tree encoding
#1021	MainForm.WindowsForms	Refactor locking / disabling of views in HL 3.3
#1145	MainForm.WindowsForms	The MainForm should set the properties of the ViewHost in the correct order
#842	Operators.Programmable	ProgrammableOperator Overhaul
#1023	Optimization	Implement UserDefinedProblem
#1105	Optimization	Enable users to choose whether runs should contain a copy of their algorithm or not
#1144	Optimization	The performance of large RunCollections and the according Views must be improved
#1106	Optimization.Views	Implement dialog for creating an experiment for an algorithm
#1113	Parameters	Enable user to choose which parameters are stored in a run
#1161	Parameters.Views	Show concrete data type in value parameters
#1138	Persistence	Improve saving and loading speed
#1139	Persistence	Human-readable XML output
#1224	PluginInfrastructure	When installing (new) plugins, the Next button behaves in a strange way
#1011	Problems.DataAnalysis	RunCollection view for variable impact analysis
#1014	Problems.DataAnalysis	View for symbolic expression grammars to customize the list of allowed symbols
#1020	Problems.DataAnalysis	Refactor views for DataAnalysisSolutions
#1026	Problems.DataAnalysis	Improve symbolic regression model simplifier
#1097	Problems.DataAnalysis	Evolutionary feature selection problem
#1186	Problems.DataAnalysis.Views	The VariableImpactView does not consider the visibility of Runs
#1219	Problems.DataAnalysis.Views	Row names in results view for data analysis solutions should be improved
#1041	Problems.ExternalEvaluation	Add converter for symbolic expression trees
#1039	Problems.VehicleRouting	Implement the Vehicle Routing Problem
#1114	Random	Simple PRNG that is more memory-efficient than Mersenne-Twister
#1167	Services.OKB	Refactor OKB user authentication
#1202	Tests	Create UnitTest to check all plugin dependencies
#1009	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Operators and algorithm for support vector regression
#1010	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	View for simplification of symbolic regression solutions
#1012	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Operators and algorithm for linear regression
#1036	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Variable impacts should be calculated as the integral of relative variable frequencies over a symbolic regression run
#1074	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Improve efficiency of operators and data-structures for regression problems
#1082	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Partial evaluation of training samples
#1117	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	Evaluation of symbolic regression solutions based on the correlation coefficient instead of the (scaled) MSE

Bugs:

Ticket	Component	Summary
#1037	Algorithms.EvolutionStrategy	ES crashes when a SelfAdaptiveManipulator is present without operators to manipulate the strategy parameters
#1086	Algorithms.LocalSearch	LocalSearch doesn't wire the SampleSize parameter
#1032	Analysis	BestScopeSolutionAnalyzer does not correctly update BestKnownQuality and BestKnownSolution
#1169	Core	ReadOnlyCheckedItemCollection and -List are not correctly cloned and restored
#1207	Core	GA algorithm runtime is O(n^2) with population size
#1100	Core.Views	Details group boxes are not disabled correctly
#1141	Core.Views	CollectionViews do not remove all corresponding ListViewItems when an item is removed from the collection
#1148	Core.Views	Running an experiment may throw an exception when updating the ExecutionTime
#1134	Data.Views	Correct bugs of StringConvertibleMatrixView
#1034	Encodings.RealVectorEncoding	Actual Name of crossovers' parameters is not always equal to the SolutionCreator by default
#1101	Encodings.RealVectorEncoding	RealVector move making is ignoring the problem bounds
#1016	Encodings.SymbolicExpressionTreeEncoding	ChangeNodeType mutation operator for GP trees uses function symbols even though they have a ticket count of 0
#1028	Encodings.SymbolicExpressionTreeEncoding	Symbolic expression grammars are not cloned correctly
#1120	Encodings.SymbolicExpressionTreeEncoding	Symbolic expression tree crossover operators swap parent operators before crossing over
#1214	Encodings.SymbolicExpressionTreeEncoding	Unit tests in symbolic expression tree encoding fail.
#1248	ExtLibs	Failing to build x64 configuration on x86 versions of windows
#1090	General	Problems replace the operators collection after deserialization
#1132	MainForm.WindowsForms	The ViewHost sometimes overrides the status of a view (readonly, locked)
#1133	MainForm.WindowsForms	The ViewHost shows a cached View instead of the default View
#1154	MainForm.WindowsForms	InvokeRequired is not checked in the ShowContent method
#1192	MainForm.WindowsForms	The ViewHost does not mark the active view in the context menu for top level views
#1194	MainForm.WindowsForms	Call SetEnabledStateOfControls when a new view is created
#1027	Optimization	Exception in Clone when running an algorithm
#1124	Optimization	RunCollections do not save their specified constraints
#1125	Optimization	The color of runs is not saved
#1131	Optimization	Cloning of a RunCollectionConstraint throws an ArgumentNullException
#1222	Optimization	The ExecutionTime of BatchRuns is wrong
#1130	Optimization.Views	NullReferenceException occurs in RunCollectionConstraintViews
#1147	Optimization.Views	BubbleChart accesses non-existing Runs in a RunCollection if the collection is cleared
#1221	Optimizer	The save ToolBarItems and MenuItems are not disabled when a save operation is in progress
#646	Persistence	persistence-3.3 is much slower than old persistence
#1108	Persistence	The serialization format of CompactNumberArray2StringSerializer is not compatible with the released version
#795	PluginInfrastructure	Splash screen fires an InvalidOperationException if the starter is closed immediately after an application is started
#1216	PluginInfrastructure	Invalid cross-thread exception when trying to update plugins.
#1217	PluginInfrastructure	List of installed plugins is not refreshed when plugins are updated
#1220	PluginInfrastructure	Plugin infrastructure throws a BadImageFormatException when x86 and x64 plugins are installed side by side.
#1065	Problems.DataAnalysis	Calculation of relative Error is incorrect in SimpleMeanAbsolutePercentageErrorEvaluator
#1104	Problems.DataAnalysis	Foreign move evaluators appear in Support Vector Machine Parameter Adjustment Problem
#1116	Problems.DataAnalysis	Values calculated by OnlinePearsonRSquaredEvaluator do not match the values calculated by alglib
#1175	Problems.DataAnalysis	The DataAnalysisProblemData storable ctor is private
#1084	Problems.TravelingSalesman	Foreign move operators appear within the TSP
#1103	ZZZ OBSOLETE: Problems.ArtificialAnt	Solving the ArtificialAntProblem throws an exception
#1183	ZZZ OBSOLETE: Problems.DataAnalysis.Regression	The SymbolicSimplifier creates incorrect simplified models.

Tasks:

Ticket	Component	Summary
#43	General	Automatic daily build and test infrastructure
#542	General	Keep configurations in solution file up to date when new projects are added
#666	General	SVN maintenance
#1093	General	Migrate solution and projects to Visual Studio 2010
#1094	General	Remove and sort usings in entire solution
#1160	General	Move HeuristicLab.Services projects into a separate solution
#1209	General	Release HeuristicLab 3.3.1
#1203	PluginInfrastructure	Prepare plugin infrastructure for next release
#1165	Services.Deployment	Review and adapt deployment service

HeuristicLab 3.3.0 - May 18th, 2010

HeuristicLab 3.3.0 is the first public release of the new major version.