Collects and checks necessary parameters required for transformation. The
empty constructor is for when no data transformation is desired. One data
transformation function is distributed. See
TransformParams(transform, intermediate = character(0), ...)
Creates a TransformParams object which stores the function which will do the
transformation and parameters that the function will use.
A function which will do the transformation. The first
argument must be an
Character vector. Names of any variables created in prior stages by
runTest that need to be passed to a feature selection function.
Other named parameters which will be used by the transformation function.