search for: evagelopoulos

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2012 Feb 12
2
ANCOVA post-hoc test
...ake a mistake somewhere? (I probably did!) - Could I do pairwise ANCOVAs and thus have just two factor levels (=two regression slopes) to compare each time? What does the warning message "covariate interactions found -- default contrast might be inappropriate" mean? Thank you! Athanasios Evagelopoulos