Class for converting parameter values back and forth to the unit range
encode_unit(x, value, direction, ...)A param object.
The original values should be either numeric or character. When
converting back, these should be on [0, 1].
Either "forward" (to [0, 1]) or "backward".
A logical; should the values be transformed into their natural units (not currently working).
A vector of values.
For integer parameters, the encoding can be lossy.