As StatDave said using the ASSESS statement in GENMOD to check right model. https://documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/statug/statug_genmod_examples08.htm https://documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/statug/statug_genmod_examples09.htm
... View more