Introduction to Acting on Selected Observations
Purpose
One of the most useful
features of SAS is its ability to perform an action on only the observations
that you select. The following concepts are discussed in this section:
-
how the selection process works
-
how to write statements that select observations based on a condition
-
some special points about selecting numeric and character variables
Prerequisites
You should understand
the concepts presented in all previous sections before proceeding
with this section.
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