December 2014
Intermediate to advanced
858 pages
40h 10m
English
Content preview from SAS Certification Prep Guide, 4th Edition
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Avoiding Unnecessary Procedure Invocation
Overview
Best
practices specify that you avoid unnecessary procedure invocation.
One way to do this is to take advantage of procedures that accomplish
multiple tasks with one invocation.
Several procedures enable
you to perform multiple tasks or create multiple reports by invoking
the procedure only once. These include the following:
-
the SQL procedure
-
the DATASETS procedure
-
the FREQ procedure
-
the TABULATE procedure.
Note: BY-group processing can also
minimize unnecessary invocations of procedures.
To illustrate this principle,
examine features of the DATASETS procedure.
Executing the DATASETS Procedure
The DATASETS procedure can use RUN-group processing to process multiple sets ...
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