Thanks. That is what I try to find. You know what, I have tried ?multinomial, but it didn't recognize. It is case sensitive I guess.
Johnny -----Original Message----- From: Berton Gunter [mailto:[EMAIL PROTECTED] Sent: Wednesday, February 22, 2006 5:44 PM To: 'jim holtman'; Li,Qinghong,ST.LOUIS,Molecular Biology Cc: r-help@stat.math.ethz.ch Subject: RE: [R] multinomial test 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: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of jim holtman > Sent: Wednesday, February 22, 2006 3:33 PM > To: Li,Qinghong,ST.LOUIS,Molecular Biology > Cc: r-help@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 < > [EMAIL PROTECTED]> 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]] > > > > ______________________________________________ > > R-help@stat.math.ethz.ch mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide! > > http://www.R-project.org/posting-guide.html > > > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What the problem you are trying to solve? > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html