[R] R Equivalent to matlab's find() command?

[Uwe Ligges]

Stephen Eglen wrote:
> 
> hi,
> 
> Just a very simple question: is there an R equivalent to the matlab
> command find(X) which returns the indices of vector X that store
> non-zero elements?
> 
> e.g.
> > find( [1 0 0 1 0])
> ans =
> 
>   1  4
> 
> so, in R, how do I do:
> 
> ans <- rfind( c(1,0,0,1,0))
> 
> so that ans is the vector c(1,4)

Sorry, first answer was wrong!

Try: 
  which(x!=0)

Uwe Ligges
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