Skip to contents

Learns train/test-safe preprocessing transforms for functional predictors and optional scalar covariates. The fitted object can be reused to create compatible fda_design objects on new data.

Usage

fit_fda_preprocessor(
  predictors,
  scalar_covariates = NULL,
  transforms = NULL,
  scalar_transform = NULL
)

Arguments

predictors

One predictor or a named list of predictors.

scalar_covariates

Optional scalar covariates supplied as a vector, matrix/data frame, fda_scalar, or a named list.

transforms

Optional preprocessing specs for functional predictors.

scalar_transform

Optional preprocessing specs for scalar covariates.

Value

An object of class fda_preprocessor.