MachineShop 3.1.0

Version Updates

3.1.0

• Add argument na.rm to dependence().
• Add global setting stats.VarImp for summary statistics to compute on permutation-based variable importance.
• Add permutation-based variable importance to varimp().
• Sort variable importance by first column only if not scaled.
• Correct the estimated variances for cross-validation estimators of mean performance difference in t.test.PerformanceDiff().
• Rename argument metric to type in varimp() functions for BartMachineModel, C50Model, EarthModel, RFSRCModel, and XGBModel.
• Set argument type default to "nsubsets" in EarthModel varimp().
• Expand case weighted metrics support.
  • Fix weights used in survival event-specific metrics.
  • Use weights for cross_entropy() numeric method.
  • Use weights for predicted survival probabilities.
• Fix error with argument f in roc_index() Surv method.