[R] how to overlap plots

[Jim Lindsey]

> 
> Dear R experts:
> Can you help me to overlap a histogram and theoretical density curve of poison 
> distribution? for example data like this:
> The numbers of sanils found in each of 100 sampling quadrats in an area were 
> as follows:
> number of snails, r 0 1  2 3 4 5 8 15
> f=frequency of r   69 18 7 2 1 1 1 1
> apparently this is not Poison but near to Poison, How to overlap the 
> theoretical desity curve to the histgram of this data?
> Thanks in advance!

The fit.dist function in my gnlm library (www.luc.ac.be/~jlindsey/rcode.html)
does that automatically. Jim

> Josh
> 
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