topic Proc surveyreg. in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/Proc-surveyreg/m-p/27840#M1057 Hi, I am trying to examine interaction effect using proc surveyreg.<BR /> I have coded -1 and 1 by different characteristics of groups and want to examine 2-way anova (fixed) using proc surveyreg. Is there any better way to examine interaction effect when dealing with population-based surveillance? Wed, 03 Nov 2010 22:40:42 GMT deleted_user 2010-11-03T22:40:42Z Proc surveyreg. https://communities.sas.com/t5/Statistical-Procedures/Proc-surveyreg/m-p/27840#M1057 Hi, I am trying to examine interaction effect using proc surveyreg.<BR /> I have coded -1 and 1 by different characteristics of groups and want to examine 2-way anova (fixed) using proc surveyreg. Is there any better way to examine interaction effect when dealing with population-based surveillance? Wed, 03 Nov 2010 22:40:42 GMT https://communities.sas.com/t5/Statistical-Procedures/Proc-surveyreg/m-p/27840#M1057 deleted_user 2010-11-03T22:40:42Z