[R] generating random numbers from the logit-normal distribution ?
Prof Brian Ripley
ripley at stats.ox.ac.uk
Fri Jan 27 08:45:05 CET 2006
On Thu, 26 Jan 2006, Taka Matzmoto wrote:
> Hi R users
> I like to generate random numbers from the logit-normal distribution.
which is not a standard distribution. I guess you mean a random variable
whose logit is normal (but that is not the only meaning in use).
> Are there available simple commands I can use?
> I used to generate using
That would be incorrect. I think you mean
> xx <- rnorm(1000, 0, 1)
> I am looking for a simple command such as rnorm().
And if that is not simple enough for you, you can write a function
> rlgnorm <- function(...) plogis(rnorm(...))
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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