tunable()
determines which parameters in an object can be tuned along
with information about the parameters.
# S3 method for step_texthash
tunable(x, ...)# S3 method for step_dummy_hash
tunable(x, ...)
# S3 method for step_ngram
tunable(x, ...)
# S3 method for step_tf
tunable(x, ...)
# S3 method for step_tokenfilter
tunable(x, ...)
# S3 method for step_tokenize
tunable(x, ...)
A recipe step
Not currently used.