[R] Problems with rbind

[Jonathan Rougier]

Bayesianbay at aol.com wrote:
> 
> Dear list
> 
> I have a simple question that I have a mental block on:
> 
> Having used a loop (from i = 1 to n) to assign some numerical values to
> row.list[[i]]
> e.g. row.list[[3]]= 0 1
> I am wanting to combine the output into a simple matrix.
> 
> for example, if I combine the output from persons 1 to 3 into a matrix, I
> thought I could do :
> h<-rbind(row.list[[1]]:row.list[[3]])
> 
> However, I get the errors:
> 1: Numerical expression has 2 elements: only the first used in:
> row.list[[1]]:row.list[[3]]
> 
> Yet if I did this by using h<
> -rbind(row.list[[1]],row.list[[2]],row.list[[3]]), this would work.
> 
> Could anybody explain how I can combine large values of the vectors (i.e. by
> using :) without resorting to having to write out each one in the command?

I think you may want 

	do.call("rbind", row.list)

Cheers, Jonathan.

-- 
Jonathan Rougier                       Science Laboratories
Department of Mathematical Sciences    South Road
University of Durham                   Durham DH1 3LE
tel: +44 (0)191 374 2361, fax: +44 (0)191 374 7388
http://www.maths.dur.ac.uk/stats/people/jcr/jcr.html
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