https://github.com/cran/robCompositions
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Tip revision: e168b07923b144993e99ea7b65180aed9fe3efa8 authored by Matthias Templ on 11 December 2009, 00:00:00 UTC
version 1.3.3
Tip revision: e168b07
alr.R
alr <- 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"
	invisible(res)
}
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