[R] Chi-Square Distribution Plots

[Bayesianbay@aol.com]

Dear list

I have a vector of values that allegedly have a chi-squared distribution. I 
want to create a plot that shows the values I have obtained,  and the 
chi-squared distribution curve for the specified number of degrees of freedom 
to show what should have been obtained.

At the moment I am plotting the values I have obtained as a histogram and 
somehow want to put on to this plot the expected frequency curve. Is there a 
way of doing this in R?

Many thanks in davance
Laura
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