[R] Inverse (cumulative) distribution functions

[Thomas Lumley]

On Fri, 4 Jan 2002 Alexander.Hener at daimlerchrysler.com wrote:

> hi list,
>
> any help is appreciated concerning the following questions, and please note
> that I am not very experienced in neither R nor numerical problems :
>
> 1. are any inverse (cumulative) distributions functions implemented in R ?

Yes. Many. Functions for probabiity distributions come in sets of four
eg
    rnorm   generate random Normal
    pnorm   Normal cdf
>>> qnorm   Normal inverse cdf (quantile function)
    dnorm   Normal density

help.search("distribution") will get you all or most of the relevant help
pages


	-thomas


Thomas Lumley			Asst. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle

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