[R] plot the chi square distribution and the histogram in the same graph
Rubén Roa-Ureta
rroa at udec.cl
Tue Oct 21 21:21:06 CEST 2008
leo_wa wrote:
> In the previous post ,i ask how to plot the normal curve and the histogram
> in the same graph.if i want to know how to plot the chi square distribution
> to campare the data set ,how can i do that?
>
You should make up your mind, is your random variable X (-inf,+inf) or
Sum(X^2) (which obviously cann't take negative values)?
They are quite different.
Rubén
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