Hi All, I have the following scenario: CLIENT INST SENDER RECIV UNIQUE CLIENTS 1 985 SITE A R1 1 1 698 SITE A R1 0 1 563 SITE A R2 1 1 785 SITE A R2 0 The Unique clients column above is how I want SAS to compute a unique client. Basically - for every unique set of CLIENT, SENDER and RECIV I want to mark UNIQUE CLIENTS as 1. The thinking behind what I want to identify is - "For SITE A - there were 2 UNIQUE CLIENT instances going to 2 unique RECIV". I would like to know how to code the UNIQUE CLIENTS part if possible. Thanks.
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