Re: GLM vs unbalanced designs

[John Darrington]

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'


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