[R] ordering levels

BXC (Bendix Carstensen) bxc at steno.dk
Wed Dec 22 13:24:45 CET 2004


In:

http://biostat.ku.dk/~bxc/SPE/library/

you will find a zip of the Lexis package that contains the
function Relevel, which has precise this (and other) features.

Bendix 
----------------------
Bendix Carstensen
Senior Statistician
Steno Diabetes Center
Niels Steensens Vej 2
DK-2820 Gentofte
Denmark
tel: +45 44 43 87 38
mob: +45 30 75 87 38
fax: +45 44 43 07 06
bxc at steno.dk
www.biostat.ku.dk/~bxc
----------------------

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Anne
> Sent: Wednesday, December 22, 2004 1:06 PM
> To: R list
> Subject: [R] ordering levels
> 
> 
> Hello!
> I would like to know if there is a simple way to reorder 
> levels of a given factor.Let's say  that the  vector
> testf<-factor(c("red","red","red","blue","blue","white")) 
>   levels(testf)  : blue red white 
> 
> should have reordered levels  such as 
>  levels(testf)  : red blue  white 
> 
>  (this is for presentation purposes)
> I guess I'm looking for a generalized version of "relevel"...
> 
> Thanks 
> 
> Anne
> 
> ----------------------------------------------------
> Anne Piotet
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> Email: anne.piotet at m-td.com
> ---------------------------------------------------
> M-TD Modelling and Technology Development
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> Switzerland
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> Fax: +41 21 646 41 33
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