Thank you very much,
Tony L.
On 18 November 2010 14:02, Lancaster, Anthony
<anthony_lancas...@brown.edu>wrote:
> Hi,
> I'd appreciate help with this. I have a data matrix with one column, called
> f in the example below, a factor. I'd like to subtract the means from each
> of
> other columns for each level of the factor. That is, in the example, to go
> from the first matrix below to the second. I know SWEEP will take out means,
> but I want to do this for each level of the factor.
> f x
> 1 2
> 1 0
> 2 0
> 2 4
> 2 2
>
> f xnew
> 1 1
> 1 -1
> 2 -2
> 2 2
> 2 0
> Thanks
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
