> Is there something that I am missing or should I wait longer? If I remove the age covariate from
> my GLTs it sails right on through.
The problem lies in this line:
> -bsVars 'remission+age' \
which presumes that there is no interaction between between-subjects factor "remission" and covariate "age" (or the two groups have the same age effect). It sounds like that you want to model the interaction with the following:
-bsVars 'remission*age' \
Gang