S3 methods for tracking which additional packages are needed for steps.
# S3 method for step_adasyn
required_pkgs(x, ...)# S3 method for step_bsmote
required_pkgs(x, ...)
# S3 method for step_downsample
required_pkgs(x, ...)
# S3 method for step_nearmiss
required_pkgs(x, ...)
# S3 method for step_rose
required_pkgs(x, ...)
# S3 method for step_smote
required_pkgs(x, ...)
# S3 method for step_smotenc
required_pkgs(x, ...)
# S3 method for step_tomek
required_pkgs(x, ...)
# S3 method for step_upsample
required_pkgs(x, ...)
A character vector
A recipe step