Hello I'm trying to run this code but I'm getting the ERROR: variable .......... not found. Please help Frequency in SAS Studio. CODE proc freq data=dta ; table transfusion trans_2gr ; run; LOG 67 proc freq data=dta ; 68 table transfusion trans_2gr ; ERROR: Variable TRANSFUSION not found. ERROR: Variable TRANS_2GR not found. 69 run;
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