cdata                   'cdata': Wrappers for 'tidyr::gather()' and
                        'tidyr::spread()'
checkColsFormUniqueKeys
                        Check that a set of columns form unique keys
moveValuesToColumns     Move values from rows to columns (wrapper for
                        'tidyr::spread' or pivot).
moveValuesToRows        Move values from columns to rows (wrapper for
                        'tidyr::gather', or anti-pivot).
