[R] use of do.call and rep

[Prof Brian Ripley]

rep(1:2, each=5) is simpler to parse and comprehend, but I don't think 
efficiency comes into this.  Did you have some very much larger example in 
mind.

On Tue, 25 May 2004, Laura Holt wrote:

> If I use this:
> 
> rep(1:2,c(5,5))
> 
> I'll get
> 1 1 1 1 1 2 2 2 2 2
> 
> Is there a way to do this more efficiently, please?
> Maybe via do.call?

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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