as.data.frame.mapping   Convert a mapping to 'data.frame'
cf                      Construct a 'factor' from one or more vectors
cut_mapping             Mapping from continuous to categorical
domain                  Domain and codomain of a mapping.
inverse                 Inverse of a mapping
mapping                 Generate a Mapping Function
paste_mapping           A mapping that adds a prefix and/or suffix
print.mapping           Print a mapping
remap                   Re-map a variable
text2mapping            Convenient shorthand for specifying mappings
                        with text strings
