Re: [R] grep negation

From: Dimitris Rizopoulos <dimitris.rizopoulos_at_med.kuleuven.be>
Date: Thu 23 Jun 2005 - 23:25:20 EST

try this:

seq(along = txt)[-i]

Best,
Dimitris



Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium

Tel: +32/16/336899
Fax: +32/16/337015
Web: http://www.med.kuleuven.be/biostat/
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm


> hi,
>
> using the example in the grep help:
> txt <- c("arm","foot","lefroo", "bafoobar")
> i <- grep("foo",txt); i
> [1] 2 4
>
> but how can i get the negation (1,3) when looking for 'foo'?
>
> thanks,
> m.
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Jun 23 23:28:51 2005

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