Opened 9 years ago

Closed 7 years ago

Last modified 7 years ago

#1142 closed task (obsolete)

Exploration of new data-analysis features

Reported by: gkronber Owned by: gkronber
Priority: high Milestone:
Component: Problems.DataAnalysis Version: branch
Keywords: Cc:

Description


Change History (57)

comment:1 Changed 9 years ago by gkronber

  • Status changed from new to assigned

comment:2 Changed 9 years ago by gkronber

comment:3 Changed 9 years ago by gkronber

Added new files for data analysis feature exploration with r4197.

comment:4 Changed 9 years ago by gkronber

Changed R² evaluator to return 0 when the estimated values contain NaN values with r4202.

comment:5 Changed 9 years ago by gkronber

Added initializer for dynamic depth limits with r4221.

comment:6 Changed 9 years ago by gkronber

Changed operator to adapt the target distribution for dynamic operator equalization to use scaled (0..1) qualities and treat minimization problem correctly with r4222.

comment:7 Changed 9 years ago by gkronber

Corrected calculation of relative quality in dynamic depth limit comparator to work correctly for maximization problems and changed operator to update best of run quality immediately with r4223.

comment:8 Changed 9 years ago by gkronber

Added experimental anti-overfitting code to dynamic operator equalizer to prevent code growth when the current validation quality is below the best validation quality with r4224.

comment:9 Changed 9 years ago by gkronber

r4225:

  • Minor adaption of existing symbolic regression classes.

comment:10 Changed 9 years ago by gkronber

Added significant improvement check to dynamic operator equalization with r4227.

comment:11 Changed 9 years ago by gkronber

Fixed calculation of relative quality for maximization problems in DDL with r4228.

comment:12 Changed 9 years ago by gkronber

Added operator to apply covariant parsimony pressure with r4233.

comment:13 Changed 9 years ago by gkronber

Moved multi-variate data analysis plugins out of the trunk into a feature exploration branch with r4235.

comment:14 Changed 9 years ago by gkronber

Removed trunk copy of HeuristicLab.Problems.MultiVariate.Regression and adapted Files.txt with r4242.

comment:15 Changed 9 years ago by gkronber

Added complexity reduction scheme based on validation performance for CPP with r4255.

comment:16 Changed 9 years ago by gkronber

Added correlation-based overfitting detection analyzer with r4271.

comment:17 Changed 9 years ago by gkronber

Improved overfitting analyzer with r4275.

comment:18 Changed 9 years ago by gkronber

r4297:

  • added output parameter for validation quality to validation analyzer
  • added input parameter for validation quality to overfitting analyzer
  • fixed bugs in pruning operator with

comment:19 Changed 9 years ago by gkronber

Fixed typos with r4308.

comment:20 Changed 9 years ago by gkronber

r4309:

  • exploring countermeasures for overfitting

comment:21 Changed 9 years ago by gkronber

Changed OverfittingAnalyzer to make overfitting boundaries more fuzzy through upper and lower limits for correlations instead of a hard limit with r4326.

comment:22 Changed 9 years ago by gkronber

Added views to export symbolic expression trees as latex and graphviz expressions with r4327.

comment:23 Changed 9 years ago by gkronber

Overhauled pruning operator with r4328.

comment:24 Changed 9 years ago by gkronber

Extended covariant parsimony pressure operator to make it possible to apply pressure over the whole run, increasing the avg. tree size gradually and decreasing it when overfitting with r4329.

comment:25 Changed 9 years ago by gkronber

Restored erroneously deleted plugin for multi-variate regression with r4339.

comment:26 Changed 9 years ago by gkronber

Merged changesets from revisions r4249, r4250, r4251, r4291, r4295 from trunk into data analysis exploration with r4341.

comment:27 Changed 9 years ago by gkronber

added minimal size parameter for pruning operator with r4350.

comment:28 Changed 9 years ago by gkronber

Fixed bug in directional symmetry evaluator with r4400.

comment:29 Changed 9 years ago by gkronber

Added model and solution classes for time series prognosis and added views for time series prognosis solutions with r4401.

comment:30 Changed 9 years ago by gkronber

Removed experimental classes from trunk to prepare for next release of HL with r4409.

comment:31 Changed 9 years ago by gkronber

copied evolutionary feature selection plugin from trunk into data analysis feature exploration branch with r4410.

comment:32 Changed 9 years ago by gkronber

removed experimental code from trunk to prepare for next HL release with r4411.

comment:33 Changed 9 years ago by gkronber

made DataAnalysisProblem and DataAnalysisProblemData and SymbolicTimeSeriesPrognosisSolution savable and added field for conditional evaluation to SymbolicTimeSeriesPrognosisSolution with r4457.

comment:34 Changed 9 years ago by gkronber

Fixed bug in linear scaling factor calculation with r4458.

comment:35 Changed 9 years ago by gkronber

Fixed data analysis test cases with r4459.

comment:36 Changed 9 years ago by gkronber

Fixed bug in scaled MSE evaluator for time series with r4460.

comment:37 Changed 9 years ago by gkronber

made DataAnalysisProblem and DataAnalysisProblemData and SymbolicTimeSeriesPrognosisSolution savable (fix of changeset r4457) with r4461

comment:38 Changed 9 years ago by gkronber

Changed symbolic simplifier to work for multi-variate models and return a symbolic expression tree that can be directly evaluated with r4462

comment:39 Changed 9 years ago by gkronber

Added support for automatic symbolic simplification and manual impact-guided pruning for symbolic time series prognosis solutions with r4463.

comment:40 Changed 9 years ago by gkronber

Fixed bugs in views for manual simplification of symbolic models with r4464.

comment:41 Changed 9 years ago by gkronber

Fixed bugs in time series prognosis classes with r4475.

comment:42 Changed 9 years ago by gkronber

Merged r4458, r4459,r4462,r4464 from data analysis exploration branch into trunk with r4477.

comment:43 Changed 9 years ago by gkronber

Minor bug fixes with r4484.

comment:44 Changed 9 years ago by gkronber

  • Version changed from 3.4 to branch

comment:45 Changed 9 years ago by gkronber

Changed symbolic simplifier to handle time series specific terminals correctly with r4554.

comment:46 Changed 9 years ago by gkronber

Improved time series evaluators with r4555.

comment:47 Changed 9 years ago by gkronber

Added classes and views for analysis of symbolic time series prognosis results with r4556.

comment:48 Changed 9 years ago by gkronber

r5010: commit of local changes in data-analysis feature exploration branch.

comment:49 Changed 9 years ago by gkronber

Adapted project files and solution file to make them compatible with the current trunk version with r5265.

comment:50 Changed 9 years ago by gkronber

r5275:

  • merged changes from trunk to data analysis exploration branch
  • added fractional distance metric evaluator

comment:51 Changed 9 years ago by gkronber

set svn:ignore properties with r5276.

comment:52 Changed 9 years ago by gkronber

worked on data analysis feature exploration branch with r5305.

comment:53 Changed 8 years ago by gkronber

The relevant features from the branch should be merged to the trunk. Experimental features should be implemented in branches and tracked in separate tickets.

comment:54 Changed 8 years ago by gkronber

  • Priority changed from lowest to high

comment:55 Changed 7 years ago by gkronber

  • Status changed from assigned to accepted

Created follow up tickets: #1931, #1932, #1933, #1934. The feature branch should can be deleted when these tickets have been implemented.

comment:56 Changed 7 years ago by gkronber

  • Resolution set to obsolete
  • Status changed from accepted to closed

comment:57 Changed 7 years ago by mkommend

  • Milestone HeuristicLab 3.3.x Backlog deleted
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