[R] Drawing from an empirical distribution

Antonio, Fabio Di Narzo antonio.fabio at gmail.com
Tue Jan 6 23:42:56 CET 2009


If the ecdf is 'ecdf(x)', do just:
> sample(x, size=whatever, replace=TRUE)

HTH,
Antonio.

2009/1/6 culpritNr1 <ig2ar-saf1 at yahoo.co.uk>:
>
> Hi All,
>
> Does anybody know if there is a simple way to draw numbers from an empirical
> distribution?
>
> I know that I can plot the empirical cumulative distribution function this
> easy:
> plot(ecdf(x))
>
> Now I want to pick a number between 0 and 1 and go back to domain of x.
> Sounds simple to me.
>
> Any suggestion?
>
> Thank you,
>
> Your culprit
> (everybody needs a culprit)
>
>
> --
> View this message in context: http://www.nabble.com/Drawing-from-an-empirical-distribution-tp21320810p21320810.html
> Sent from the R help mailing list archive at Nabble.com.
>
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> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Antonio, Fabio Di Narzo
Ph.D. student at
Department of Statistical Sciences
University of Bologna, Italy




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