Hello,   Please i intend to use the output from the proc freq procedure to execute the Proc Transpose  , however the Out=AA  dataset displays only the Country by Trt01p; So when i use the AA dataset to execute the Proc Transpose , the variables Sex , Race and Country are all missing .   Question : How do i make Sex, Race and Country appear in the AA dataset?       Proc freq data=B ; Table SEX RACE ETHNIC COUNTRY / out=AA ; BY Trt01p ; Run; /*Step 3*/ Proc Transpose data=AA ; ID Trt01P ; BY SEX RACE ETHNIC COUNTRY ; VAR Count; run;   I have attached the dataset    Thanks a lot ... View more