https://github.com/cran/robCompositions
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Tip revision: 7d494ee1afed715ee21282f745fd94079d5499c3 authored by Matthias Templ on 07 February 2014, 16:24:06 UTC
version 1.7.0
Tip revision: 7d494ee
addLR.R
addLR <- function (x, ivar=ncol(x)){

	if(dim(x)[2] < 2) stop("data must be of dimension greater equal 2")
	x.alr <- log(x/x[, ivar])
	res <- list(x.alr=x.alr[,-ivar], 
			varx=x[,ivar], ivar=ivar, cnames=colnames(x))
	class(res) <- "alr"
	return(res)
}
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