\name{cenLRinv} \alias{cenLRinv} \title{ Inverse centred log-ratio transformation } \description{ Applies the inverse centred log-ratio transformation. } \usage{ cenLRinv(x, useClassInfo = TRUE) } \arguments{ \item{x}{ an object of class \dQuote{clr}, \dQuote{data.frame} or \dQuote{matrix} } \item{useClassInfo}{ if the object is of class \dQuote{clr}, the useClassInfo is used to determine if the class information should be used. If yes, also absolute values may be preserved. } } \value{ the transformed data set. } \references{ Aitchison, J. (1986) \emph{The Statistical Analysis of Compositional Data} Monographs on Statistics and Applied Probability. Chapman \& Hall Ltd., London (UK). 416p. } \author{ Matthias Templ } \seealso{ \code{\link{cenLR}}, \code{\link{addLR}}, \code{\link{isomLR}}, \code{\link{addLRinv}}, \code{\link{isomLRinv}} } \examples{ data(expenditures) eclr <- cenLR(expenditures) inveclr <- cenLRinv(eclr) head(expenditures) head(inveclr) head(cenLRinv(eclr$x.clr)) } \keyword{ manip }