I've been reading a bit about two way anova with unbalanced designs. I concluded that we should have been using what the literature calls "effects coding" http://www.ats.ucla.edu/stat/mult_pkg/faq/general/effect.htm instead of "dummy coding" http://www.ats.ucla.edu/stat/mult_pkg/faq/general/dummy.htm which is what we have been using until now.
However I tried hacking up a quick change to use "effects coding", but unfortunately it didn't improve anything. Am I barking up the wrong tree here? J' -- PGP Public key ID: 1024D/2DE827B3 fingerprint = 8797 A26D 0854 2EAB 0285 A290 8A67 719C 2DE8 27B3 See http://pgp.mit.edu or any PGP keyserver for public key.
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