[R] Adding variables

[jim holtman]

Probably more efficient if you remove the 'cbind' which would create a
combined matrix.  Use the following:

rowSums(mag) + rowSums(station)

On Sat, Sep 26, 2009 at 11:16 AM, tzygmund mcfarlane
<tzygmund at googlemail.com> wrote:
> Hi,
>
> For very large matrices, is this the most efficient way to add two
> variables together?
>
> #############################
> attach(attenu)
> new<-rowSums(cbind(mag, station))
> #############################
>
> Also, could I be directed to some resources for working with very
> large datasets?
>
> Thanks
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?