Preprocess data by leaving it exactly the way it is.

This function is the same as the identity function. Anything passed to it is returned untouched.

preprocess_identity(.data, categorical_variables = NULL)

Arguments

.data	A data.frame; the data to be analyzed.
categorical_variables	A logical vector; each value TRUE indicates that column in the data.frame is a categorical variable. Defaults to NULL.

Value

A list, containing one or two data.frames.

See also

Other preprocess: preprocess_scale