Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Macro Functions (%Index and %Upcase)

The video tutorial covers two macro functions in SAS: the index function and the upcase function. The index function is used to find the position of a character within a string, demonstrated with an example using macro variables. The upcase function is explained as a tool to convert text to uppercase, which is useful for case-sensitive operations in SAS. Examples are provided to illustrate the practical applications of these functions.

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