SAS

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SAS First., Last. Syntax and uses with examples

In SAS, the FIRST. and LAST. automatic variables are used within a DATA step to identify the first and last occurrences of observations within a BY group. These variables are particularly useful when working with sorted data or when you need to perform specific...

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Explain SAS PDV step by step with a example

The Program Data Vector (PDV) is a critical concept in SAS programming, particularly in the context of the DATA step. It represents the current state of data processing during the execution of a DATA step. Let's delve into how the SAS PDV works in detail: 1....

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