inspect_shaker          Access the original source vector for a given
                        shaker function
p_indices               Sample a proportion of indices of a vector
salt                    Salt vectors with common data problems
salt_delete             Delete some characters from some values
salt_insert             Insert new characters into some values in a
                        vector
salt_na                 Remove entire values from a vector
salt_replace            Replace certain patterns into some values in a
                        vector
salt_substitute         Substitute certain characters in a vector
salt_swap               Randomly swap out entire values in a vector
salty                   salty: Turn Clean Data Into Messy Data
shaker                  Get a set of values to use in 'salt_' functions
