Re: [R] is there something like or() ?

From: Thomas Lumley <tlumley_at_u.washington.edu>
Date: Fri, 11 Jan 2008 08:30:38 -0800 (PST)

The or() function is called any(). Similarly, the function you might expect to be called and() is all().

         -thomas

On Mon, 7 Jan 2008, Sebastian Leuzinger wrote:

> hi, this may be trivial, but we can't seem to find anything adequate,
> (although there is a work around with match() ). We are looking for something
> along the lines of
>
> plot(table1[table1$var2==or("a","b","c","d"),"var1"])
>
> would be handy, with the potential or() function leading to what
>
> plot(table1[table1$var2=="a" | table1$var2=="b" | table1$var2=="c" |
> table1$var2=="d","var1"])
>
> would do.
> thanks for any hint
>
>
> ----------------------------------------------
> Dr. Sebastian Leuzinger
> University of Basel, Department of Environmental Science
> Institute of Botany
> Schönbeinstr. 6 CH-4056 Basel
> ph 0041 (0) 61 2673511
> fax 0041 (0) 61 2673504
> email Sebastian.Leuzinger_at_unibas.ch
> web http://pages.unibas.ch/botschoen/leuzinger
>
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>

Thomas Lumley			Assoc. Professor, Biostatistics
tlumley_at_u.washington.edu	University of Washington, Seattle

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