[R] Recoding factors
nleonard at tartarus.uwa.edu.au
Mon Oct 18 14:13:58 CEST 2004
Yes that's it.
On 18/10/2004, at 7:57 PM, Prof Brian Ripley wrote:
> On Mon, 18 Oct 2004, Uwe Ligges wrote:
>> Neil Leonard wrote:
>>> I'm having a bit of trouble recoding factors in a fields.
>>> I have a field which has the factors Singleton, Twin and Triplet.
>>> I want to recode the field to have only the factors Singleton and
>>> Any advice?
>> Depends on what you are going to do with the Twin ...
> ?levels should help, though.
>> x <- factor(c("Singleton", "Twin", "Triplet"))
>> levels(x) <- c("Singleton", "Multiple", "Multiple")
>  Singleton Multiple Multiple
> Levels: Singleton Multiple
> might be what is intended.
> 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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