It is truncated from left. On Mon, May 16, 2011 at 6:33 PM, Greg Snow <greg.s...@imail.org> wrote:
> Which direction is it truncated? (only values less than a allowed or only > greater?). > > One simple approach is rejection sampling, just generate from a regular > poisson distribution, then throw away any values in the truncated region. > Another approach if the legal values are those from 0 to a, so that there > is a finite number of possibilities, then you can use the sample function > with replace=TRUE and using probabilities from the poisson in the legal > range. > > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of cassie jones > Sent: Monday, May 16, 2011 5:28 PM > To: r-help@r-project.org > Subject: [R] simulation from truncated poisson > > Dear all, > > I need to simulate values from a Poisson distribution which is truncated at > certain value 'a'. Can anyone tell me if there is in-built package in R > which can simulate from a truncated Poisson? If not, what should be the > steps to write a function which would do that? > > Thanks in advance. > > > Cassie > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
