https://github.com/cran/robCompositions
Tip revision: 2e8aee4c8c43c9fa1eb67409e968b5280a424f6d authored by Matthias Templ on 06 March 2009, 00:00:00 UTC
version 1.2
version 1.2
Tip revision: 2e8aee4
robVariation.R
`robVariation` <-
function(x){
rvars <- matrix(0, ncol=ncol(x), nrow=ncol(x))
for( i in 1:ncol(x)){
for( j in 1:ncol(x)){
if( i < j ) rvars[i,j] <- (mad(log(x[,i]/x[,j])))^2
}
}
invisible(rvars)
}