Nothing
clr <-
function(xx, ifclose = FALSE, ifwarn = TRUE)
{
if (is.data.frame(xx)) xx <- as.matrix(xx)
if (any(xx < 0, na.rm = TRUE)) stop("Negative values not allowed\n")
if(ifwarn) cat(" ** Are the data/parts all in the same measurement units? **\n")
temp.x <- remove.na(xx, iftell = FALSE)
x <- temp.x$x; nna <- temp.x$nna
if (nna >= 1) cat(" ", nna, "composition(s) with NA(s) removed\n")
#
if(ifclose) x <- 100 * sweep(x, 1, rowSums(x), "/")
#
x <- log(x)
x <- sweep(x, 1, rowMeans(x), "-")
x <- as.matrix(x)
#
return(x = x)
}
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