[R] multilevel

David Winsemius dwinsemius at comcast.net
Sat May 21 19:43:43 CEST 2011


On May 21, 2011, at 11:56 AM, eeecon wrote:

> Correction, this is not an issue with multilevel, rather a quirk with
> aggregate.

So change you subject.

> Sill looking for help, anyone?
>

About what?

-- 
David Winsemius, MD
West Hartford, CT



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