[R] how to find "p" in binomial(n,p)

Mike Meredith mmeredith at wcs.org
Thu Sep 20 01:04:57 CEST 2007



I think the function you need is 'help.search'; try:

help.search("binomial")

and look for something obvious in the 'stats' package. A good deal quicker
and easier than posting to an internet forum!

Cheers, Mike.


cathelf wrote:
> 
> Dear all,
> 
> I am trying a find the value "p" in binomial.
> 
> X ~ Bin(n,p)
> 
> I want to find the value "p", so that Pr(X <= k) <= alpha 
> 
> Here, n, k and alpha are known. n, k are integers. alpha is between (0,1).
> 
> Thanks a lot!
> 
> Catherine
> 

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