[R] hist and normal curve

Douglas Bates bates at stat.wisc.edu
Mon Oct 15 19:52:27 CEST 2001

Erin Hodgess <hodgess at uhddx01.dt.uh.edu> writes:

> I would like to superimpose a normal curve on a histogram.
> I've seen this example in a book, somewhere.
> I know that you draw the hist, get the mean and sd
> of the data set, but then I'm stuck.

There is an example of overlaying a density estimate on a histogram in 


You can modify that to use the dnorm function instead of the density
estimate.  The important thing to remember is to use prob = TRUE in
the histogram.
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