[R] structure vs. matrix

Duncan Murdoch murdoch at stats.uwo.ca
Sun Nov 4 15:18:13 CET 2007


On 04/11/2007 1:28 AM, Edna Bell wrote:
> Hi R Gurus!
> 
> When creating a matrix, is it better to use the structure function or
> the matrix function, please?

I'd use the matrix() function.  You can do it with structure(), and your 
code might be a little faster, but it will be harder to read, will break 
if someone ever changes the low-level implementation of matrices, e.g. 
by replacing it with the Matrix class.

Duncan Murdoch



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