[R] VARIANCE across each ROW

Kenneth Cabrera krcabrer at epm.net.co
Sun Apr 2 04:40:11 CEST 2006


?apply
apply(data,1,var)
On Sat, 01 Apr 2006 21:27:56 -0500, mark salsburg  
<mark.salsburg at gmail.com> wrote:

> I have a very large matrix. I would like to display the variance across  
> each
> row.
>
> In other words, I want to output a vector containing the values of  
> variance
> across row.
>
> When I use the function var(), it seems to give me the variability of  
> each
> column.
>
> Any ideas??
>
> 	[[alternative HTML version deleted]]
>
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