maiya <maja.zaloznik <at> gmail.com> writes: > Thanks, but that wasn't what I was going for. Like I said, I know how to do a > simple chi-square density plot with dchisq(). > > What I'm trying to do is chi-square / degrees of freedom. Hence > rchisq(100000,i)/i). > > How do I do that with dchisq?
By explicitly using the formula to change variables: plot(density(rchisq(10000,5)/5)) dscchisq <- function(x,df) { dchisq(x*df,df)*df } curve(dscchisq(x,5),add=TRUE,col=2) note that density() generates a smoothing artifact near zero ... ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.