November 2009
Intermediate to advanced
332 pages
10h 8m
English
Content preview from Combining and Modifying SAS® Data Sets: Examples Second Edition
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Chapter 4. Using Lookup Tables to Match Data
Example 4.1 Performing a Simple Table Lookup 82
Example 4.2 Performing a Table Lookup in a Small Lookup Data Set 85
Example 4.3 Performing a Table Lookup in a Large, Non-Indexed Lookup Data Set 90
Example 4.4 Performing Multiple Lookups for Each Observation in a Data Set 95
Example 4.5 Performing a Table Lookup When the Lookup Data Set Is Indexed 100
Table lookup programming involves setting up a table of values that a DATA step or PROC SQL step can reference. Your code then finds a value in the lookup table usually based on information in the observation or row that it is currently processing.
A program that performs table lookup typically puts the table of ...
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