The Wiki will be offline Monday, November 20, for upgrade between 10:00am ET and 5:00pm ET.
Hitachi Vantara Pentaho Community Wiki
Access Keys:
Skip to content (Access Key - 0)

Core Weka

  • HoeffdingTree. Ported from the MOA implementation to a Weka classifier
  • MergeInfrequentNominalValues filter
  • MergeNominalValues filter. Uses an CHAID-style merging routine
  • Zoom facility in the Knowledge Flow
  • Epsilon-insensitive and Huber loss functions in SGD
  • More CSVLoader improvements
  • Class specific IR metric based evaluation in WrapperSubsetEval
  • GainRatioAttributeEval now supports instance weights
  • New command line option to force batch training mode when the classifier is an incremental one
  • LinearRegression is now faster and more memory efficient thanks to a contribution from Sean Daugherty
  • CfsSubsetEval can now use multiple CPUs/cores to pre-compute the correlation matrix (speeds up backward searches)
  • GreedyStepwise can now evaluate mutliple subsets in parallel

In Packages

This documentation is maintained by the Pentaho community, and members are encouraged to create new pages in the appropriate spaces, or edit existing pages that need to be corrected or updated.

Please do not leave comments on Wiki pages asking for help. They will be deleted. Use the forums instead.

Adaptavist Theme Builder Powered by Atlassian Confluence