[R] subset syntax

[Grum, Mikkel]

%in% worked wonders.

Thanks a lot!

Mikkel

 -----Original Message-----
From: 	Peter Dalgaard BSA [mailto:p.dalgaard at biostat.ku.dk] 
Sent:	13 August 2001 19:15
To:	Jens Nieschulze
Cc:	Grum, Mikkel; R-help at stat.math.ethz.ch
Subject:	Re: [R] subset syntax

Jens Nieschulze <jniesch at gwdg.de> writes:

> I assume
> subset(xx,LOCAL.NAME=="Chifumbata" | LOCAL.NAME=="Mososo",whatever-column)
>  should do what you want

The %in% operator is also handy in these cases:

subset(xx, LOCAL.NAME %in% c("Chifumbata", "Mososo"), ....)

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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