Module polynomial 

Polynomial Features and Spline Transformers

Structs

PolynomialFeatures

Polynomial Features - generate polynomial and interaction features

PowerTransformer

Power Transformer - Yeo-Johnson and Box-Cox transformations

QuantileTransformer

Quantile Transformer - transform features to follow a uniform or normal distribution

SplineTransformer

Spline Transformer - B-spline basis functions

Enums

KnotPositions

OutputDistribution

PowerMethod