Thanks, everyone. I don't know enough SAS to interpret your messages, but I very much appreciate your time and I eventually got it to work by adding more columns. Here is what worked and I truly appreciate your help as a SAS novice. (I don't even know if the "version" I am using is "SAS Studio" or "SAS UE" but I should have mentioned this. New code: DATA a; INPUT var1 $ 1 var2 3-5; DATALINES; 1 +00 1 -03 1 -02 1 -01 2 +01 2 +02 2 +01 2 +00 3 +10 3 +12 3 +08 3 +05 4 +03 4 +02 4 +03 4 +04 ; RUN; QUIT;
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