Re: [R] subset() multiple arguments

From: Peter Dalgaard <p.dalgaard_at_biostat.ku.dk>
Date: Mon, 07 Jul 2008 21:33:01 +0200

stephen sefick wrote:
> This is what I would like to do and it works just fine. Is there a way to
> shorten this code so I don't have to subset a subset of a subset?
>
> d<-subset(subset(subset(subset(x, River.Mile<=202), River.Mile>3),
> Lagrangian=="Yes"), EventType=="Regular")
>
> Stephen
>
"&" is your friend:

d<-subset(x, River.Mile<=202 & River.Mile>3 &

             Lagrangian=="Yes" & EventType=="Regular")

-- 
   O__  ---- Peter Dalgaard             ุster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard_at_biostat.ku.dk)              FAX: (+45) 35327907

______________________________________________
R-help_at_r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
Received on Mon 07 Jul 2008 - 19:45:38 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Mon 07 Jul 2008 - 20:33:01 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive