https://github.com/cran/robCompositions
Tip revision: 165037e6629b3969bb2024b9b74bc0bc78b6e1c4 authored by Matthias Templ on 27 February 2013, 00:00:00 UTC
version 1.6.3
version 1.6.3
Tip revision: 165037e
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)
}