Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Verify Function

The video tutorial introduces the verify function, a character function used to verify and clean data by identifying errors. The instructor explains the setup of data steps, the use of if-then statements, and how the verify function works with two arguments to check for valid characters. The tutorial demonstrates how to output errors and valid data into separate data sets and emphasizes the importance of printing and reviewing these results to ensure data accuracy.

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