Internationalization Compatibility for SAS String Functions. SAS provides string functions and CALL routines that allow you to easily manipulate your character data. Many of the original SAS string functions assume that the size of one character is always one byte. This process works well for data in a singlebyte character set (SBCS).
This article shows how to implement various rolling statistics in SAS/IML. To keep the explanations and programs simple, the functions assume that there are no missing values in the data. The article "What is a moving average" explains the mathematical formulas used in .
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