I'm new to R and have the following problem:
I have a 2 factor design (a has 2 levels, b has 3 levels). I have an object kidney.aov which is an aov(y ~ a*b), and when I ask for model.tables(kidney.avo, se=T) I get the following message along with the table of effects:
Design is unbalanced - use se.contrast() for se's
but the design is NOT unbalanced... each fator level combination has the same n
I' d appreciate any help. Thanks.
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