These examples are from Chapter 8 of Generalized Linear Models by John P. Hoffmann.
Page 156, gee model with independent correlation structure
GENLIN delinq (reference=0) WITH stress cohes /MODEL stress cohes DISTRIBUTION=BINOMIAL /REPEATED SUBJECT=newid CORRTYPE=INDEPENDENT COVB=MODEL.
Page 156, gee model with exchangeable correlation structure
GENLIN delinq (reference=0) WITH stress cohes /MODEL stress cohes DISTRIBUTION=BINOMIAL /REPEATED SUBJECT=newid CORRTYPE=EXCHANGEABLE COVB=MODEL /PRINT CPS FIT SUMMARY SOLUTION WORKINGCORR.
Page 157, gee model with AR(1) correlation structure
GENLIN delinq (reference=0) WITH stress cohes /MODEL stress cohes DISTRIBUTION=BINOMIAL /REPEATED SUBJECT=newid CORRTYPE=AR(1) COVB=MODEL /PRINT CPS FIT SUMMARY SOLUTION WORKINGCORR.
Page 157, gee model with unstructured correlation structure
GENLIN delinq (reference=0) WITH stress cohes /MODEL stress cohes DISTRIBUTION=BINOMIAL /REPEATED SUBJECT=newid CORRTYPE=UNSTRUCTURED COVB=MODEL /PRINT CPS FIT SUMMARY SOLUTION WORKINGCORR.