On Sep 2, 2011, at 4:14 AM, thomas.chesney wrote:
Thank you both for your replies. I've tried it with a small sample
of the
data and it works perfectly. I have no idea yet how it works but I
will
spend some time to figure it out.
When you get around to putting in the time to figure it out, the
solution to start with would be Dunlap's match strategy. Mine is
really a perversion of an aspect of how factors work but isn't really
how you are supposed to use them.
--
David Winsemius, MD
West Hartford, CT
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