Advanced MATCH-MERGING: Techniques, Tricks, and Traps
نویسنده
چکیده
Match-merging, or BY merging, is the most common merging technique used in SAS**. Yet, how it works is not always obvious. This tutorial shows many of the technique’s nuances and subtleties, gives examples of merges where even experienced programmers have been tripped up, and demonstrates defensive programming strategies.
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