[R] is there something like or() ?

[Thomas Lumley]

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