)=1ikth0A Tutorial on Logistic RegressionYing So, SAS Institute Inc., Cary, NClump together and identify various portions of an otherwiseABSTRACTcontinuous variable. LetT be the underlying continuousâMany procedures in SAS/STAT can be used to perform lo- variable and suppose thatgistic regression analysis: CATMOD, GENMOD,LOGISTIC,Y=r if