Introduction to Using More Than One Observation in a Calculation
Purpose
In this section, you
will learn about calculations that require more than one observation.
The following types of examples are included in this section:
-
accumulating a total across a data set or a BY group
-
saving a value from one observation in order to compare it to a value in a later observation
Prerequisites
Before proceeding with
this section, you should understand the concepts presented in the
following sections:
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