Nothing
plotMDS <- function(object, newdata, classinfo, k=2, palette=NULL, pch=20, ...) {
if (!inherits(object, "learnPattern"))
stop(deparse(substitute(object)), " must be a learnPattern object")
if(!is.factor(classinfo)) classinfo <- as.factor(classinfo)
op <- par(pty="s")
on.exit(par(op))
sim <- computeSimilarity(object,newdata,newdata)
sim <- sim/(2*sum(object$nobs))
lps.mds <- stats::cmdscale(sim, eig=TRUE, k=k)
colnames(lps.mds$points) <- paste("Dim", 1:k)
nlevs <- nlevels(classinfo)
if (is.null(palette)) {
palette <- if (nlevs < 12)
RColorBrewer::brewer.pal(nlevs, "Set1") else rainbow(nlevs)
}
if (k <= 2) {
plot(lps.mds$points, col=palette[as.numeric(classinfo)], pch=pch, ...)
} else {
pairs(lps.mds$points, col=palette[as.numeric(classinfo)], pch=pch, ...)
}
invisible(lps.mds)
}
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