https://github.com/cran/robCompositions
Tip revision: 4f2efb4ed8831a90968ef063d2403d675c84dae3 authored by Matthias Templ on 26 November 2013, 12:55:44 UTC
version 1.6.4
version 1.6.4
Tip revision: 4f2efb4
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)
}