Thank you all for the solution!!   ... View more

Hello Chris   As I am new to SAS, I would request you to help me know how to change the date time stamp seen at the output window    for example in the below date time stamp,I need to alter the day shown(Thursday) as it is incorrect.   12:33 Thursday, February 25, 2018 1   ... View more

TESTED CODE:   data count(rename= Year=Year_event); set records; by ID; if first.ID then count=0; if event eq 1 then count+1; if count eq 1 then output; drop event; run;   data result; merge records count; by ID; drop count; run; proc print data=result; run;   ... View more