how to test inferiority in SPSS

Posted by Lunfrankie on Dec 30, 2011; 2:39am
URL: http://spssx-discussion.165.s1.nabble.com/how-to-test-inferiority-in-SPSS-tp5109102.html

I would like to test for non-inferiority in SPSS. Would anyone know how to test non-inferiority in SPSS?
Do I need to buy the expansion for SPSS for it?
Please kindly tell me how to do so, thank you very much.