Hi there! Stuck on a problem-- I need to determine the length of stay (in days) between two dates (formatted (mmddyyyy) in my dataset: ex. 01/22/2015). Here's my code: data dates_again; set work.import; admitdate=input(mmddyyyy10.); releasedate=input(mmddyyyy10.); LOS=intck('dd', releasedate, admitdate); put los; run; I get an error message for admitdate and releasedate, "Expecting an arithmetic expression": 64 admitdate=input(mmddyyyy10.); ___________ 386 76 65 releasedate=input(mmddyyyy10.); ___________ 386 76 ERROR 386-185: Expecting an arithmetic expression. Help! Not sure what else to do. Thank you!
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