Thank you for your prompt response Reeza. Please see below. 25250395 46.43 25250395 46.43 29136586 53.57 54386981 100.00 Log: proc freq data=final; table class; run; NOTE: Writing HTML Body file: sashtml1.htm NOTE: There were 54550121 observations read from the data set WORK.FINAL. NOTE: PROCEDURE FREQ used (Total process time): real time 1:02.01 cpu time 10.42 seconds data demo;set final;where class in ('OPIOID', 'BENZO');run; NOTE: There were 0 observations read from the data set WORK.FINAL. WHERE class in ('BENZO', 'OPIOID'); NOTE: The data set WORK.DEMO has 0 observations and 23 variables. NOTE: DATA statement used (Total process time): real time 13.57 seconds cpu time 7.21 second
... View more