Thanks.  How do you suggest I use the reference population?  Sorry, I'm new
to R and just don't see it.  If i can get a plot that is counts or density
relative to my reference data it would be ideal.

On Mon, Feb 6, 2012 at 1:12 AM, David Winsemius <dwinsem...@comcast.net>wrote:

>
> On Feb 5, 2012, at 8:31 PM, Francis Keyes wrote:
>
>  With R and the hist function, is there a way to make a histogram in which
>> the y axis denotes propotion with respect to a separate sample dataset of
>> the same range instead of frequency?
>>
>
> hist() returns an object with both "counts" and "density". If you had a
> reference population it should be a fairly simple matter to use one or the
> other of those.
>
> --
> David Winsemius, MD
> West Hartford, CT
>
>

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