\name{eitherMatrix-class} \alias{eitherMatrix-class} \title{The \code{eitherMatrix} class} \description{A container to store either matrix or matrix.csc objects} \author{Mark Robinson} \references{ Mark D Robinson (2008). Methods for the analysis of gas chromatography - mass spectrometry data \emph{PhD dissertation} University of Melbourne. } \seealso{ \code{\link{peaksAlignment}} } \keyword{classes}