0.0.61

Added

• Support for calculating IV for each groups in a feature. #25
• Add cpu_cores for quality function
• Add predict_proba for ScoreCard
• Impute module
• NN module

Changed

• The y axis of badrate_plot is starting with 0 now. #23
• KS is implemented using ks2samp instead

Fixed

• Fixed Preprocess bugs

Docs

• Add references for Chi-Merge, Stepwise Regression, Scorecard Transformation