This question is marked "Assumed Answered". Is it? Did you get what you needed? You can calculate relative dates with a collection of SAS functions: DATE, TODAY, MDY, INTCK, and more. You can also use SAS formats to help "bucket" your data for easy aggregation. The specific solution for you depends on your data and exact query, but I'm sure if you post more details others will offer suggestions. More reading: Do you mind if we dance with your DATEs (or DATETIMEs)? - The SAS Dummy Chris
... View more