Hello list,

 

I have a 5x2 mixed effects model and I have used deviation coding so that I
can report ANOVA-like statistics, where the intercept represents the grand
mean, and estimates for the levels of my factors represent devations from
the mean. 

 

Unfortunately, deviation coding results in the loss of the estimates for the
last level of my 5-level factor, but I would like to report the estimate,
s.e., and t statistic for the last level in my table. I understand that
readers familiar with these coding schemes will be able to infer the
estimate for the fifth level  of my factor just from my table, but for many
readers I imagine it would be much simpler if I could report the fifth level
in the table, particularly as it also differs significantly from the grand
mean. 

 

If I reorder the levels of the factor and rerun the model, I get slightly
different estimates, s.e.'s, etc., for every level, so is there a standard
method for reporting all of the levels of a given factor when using a
deviation coding scheme? Or should I just report the estimate for the last
level in my table, but leave the cells for the s.e. and t statistic blank?

 

Any help would be greatly appreciated!

 

Best,

David

 

________________________________________________________________

David Sears

PhD Candidate, Music Theory

Music Perception and Cognition Lab (MPCL)

Centre for Interdisciplinary Research in Music Media and Technology (CIRMMT)
Schulich School of Music, McGill University

 <mailto:david.sears@mail.mcgill.ca> david.sears@mail.mcgill.ca 

 

 


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