[R] multiple match question

[Peter Dalgaard]

Peter Dalgaard <p.dalgaard at biostat.ku.dk> writes:

> Wouldn't know about speed, but
> 
>   which(apply(outer(va,vb,"=="),2,any))
>   which(sapply(vb,"%in%",va))
> 
> both seem to do the trick.

Drats... Andy and Uwe are of course right: which(vb %in% va) suffices.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
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