Version 0.3.3

Features

• Added Xbar and S chart utility plot_xbs()
• Added fit_polyridge() to return fitted model based on polynomial ridge regression. Useful for cross-validation of polyridge hyperparameters, and another metamodel option!

Documentation

• Significant improvements to transform documentation, including tran_rename, tran_mutate, tran_filter, tran_select, tran_sample, tran_summarize, and associated helper functions

Fixes

• Removed a use of np.int