[R] superimpose density line over hist

From: Albert Vilella <avilella_at_gmail.com>
Date: Wed 14 Dec 2005 - 00:23:17 EST


Hi all,

I'm trying to superimpose a rchisq density line over a histogram with something like:

hist(alnlength)
lines(density(rchisq(length(alnlength), 4)),col="red")

But the rchisq line won't appear anywhere,

Anyone knows what I am missing here?

Thanks in advance,

    Albert.



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