\name{swapKeys} \alias{swapKeys} \title{Swap the primary and secondary key columns...} \usage{swapKeys(idMap, verbose=FALSE)} \description{Swap the primary and secondary key columns} \value{IdMap object or list of IdMap objects with swapped keys} \keyword{internal} \author{Roger Day, Alex Lisovich} \arguments{\item{idMap}{the IdMap object or a list of IdMap objects which keys to be swapped} \item{verbose}{if TRUE enables diagnostic messages}}