[R-sig-ME] Equivalent of covariance pattern model with a heterogeneous compound symmetric

Pardis Miri p@r|@m @end|ng |rom @t@n|ord@edu
Thu May 30 04:57:31 CEST 2019

Hi everyone,

I am trying to figure out how to replicate the results I've gotten from SPSS when using the Repeated Covariance Type : Compound Symmetry: Heterogeneous.  Can anyone help me figure this out?
So far I know the following does't produce the same results.

comsym <- gls(SC_slope~Bodysite+Pattern+Strength,data = df.na.removed.,
                   correlation=corCompSymm(form = ~ 1 |id), method="REML", na.action = na.omit)


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