Hi,
have a look at the packages distr and distrSim which are on CRAN.
hth
Matthias
----- original Nachricht --------
Betreff: [R] Generic code for simulating from a distribution.
Gesendet: Mo, 10. Apr 2006
Von: [EMAIL PROTECTED]
> Hello all,
>
> I have the code below to simulate samples of certain size from a
> particular distribution (here,beta distribution) and compute some
> statistics for the samples.
>
> betasim2<-function(nsim,n,alpha,beta)
> {
> sim<-matrix(rbeta(nsim*n,alpha,beta),ncol=n)
> xmean<-apply(sim,1,mean)
> xvar<-apply(sim,1,var)
> xmedian<-apply(sim,1,median)
> simset<-data.frame(sampleno=seq1:nsim),means=xmean,vars=xvar,medians=xmedian
> )
> return(simset)
> }
>
> I can write a similar coding for any distribution individually.
> Now, I would like to have a generic code, say if I specify the
> distribution with the parameters and simulation and sample size I would
> like to have the simulations done for the mentioned distribution and the
> statistics performed.
>
> I would appreciate any help in doing so?
>
> Thanks for your time.
> Mathangi
>
>
> Mathangi Gopalakrishnan
> Graduate student
> Dept of Mathematics and Statistics
> University of Maryland, Baltimore County
> Baltimore, MD
>
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--- original Nachricht Ende ----
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