HTML Estimator.html
  HTML Model.html
  HTML Pipeline.html
  HTML PipelineModel.html
  HTML PipelineStage.html
  HTML PredictionModel.html
  HTML Predictor.html
  HTML Transformer.html
  HTML UnaryTransformer.html
   DIR attribute
   DIR classification
   DIR evaluation
   DIR feature
  HTML package-frame.html
  HTML package-summary.html
  HTML package-tree.html
   DIR param
   DIR recommendation
   DIR regression
   DIR tree
   DIR tuning