[R] multinomial test

[Berton Gunter]

Qinghong:

R Has an extensive Help system which you should learn to use.

help.search('multinomial') 
?Multinomial

Jim: sample() is wrong -- it gives random samples, not probabilities.

-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA


> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of jim holtman
> Sent: Wednesday, February 22, 2006 3:33 PM
> To: Li,Qinghong,ST.LOUIS,Molecular Biology
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] multinomial test
> 
> ?sample
> 
> sample(1:3, 6, TRUE, prob=c(2/9, 1/6, 11/18))
> 
> 
> 
> On 2/22/06, Li,Qinghong,ST.LOUIS,Molecular Biology <
> Qinghong.Li at rdmo.nestle.com> wrote:
> >
> > Hi All,
> >
> > What is the R function for computing multinomial distribution, e.g.
> > f(2,1,3; 2/9, 1/6, 11/18, 6)?
> >
> > That is, a total of 6 trials, event 1's p1=2/9, x1=2, event 
> 2's p2=1/6,
> > x2=1, and event 3's p3=11/18, x3=3.
> >
> > thanks,
> > Johnny
> >
> >        [[alternative HTML version deleted]]
> >
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> 
> 
> 
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
> 
> What the problem you are trying to solve?
> 
> 	[[alternative HTML version deleted]]
> 
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