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SAS 9.4 Language Reference, Second Edition
book

SAS 9.4 Language Reference, Second Edition

by SAS Institute
December 2013
Intermediate to advanced content levelIntermediate to advanced
824 pages
24h 21m
English
SAS Institute
Content preview from SAS 9.4 Language Reference, Second Edition
Execution — Step 2
SAS compares the next observations from each data set to determine the next BY
group and then starts reading observations from the selected data set in the SET
statement that contains observations for this BY group. SAS continues until it has
read all observations from all data sets.
Example 1: Interleaving in the Simplest Case
In this example, each data set contains the BY variable Common, and the observations
are arranged in order of the values of the BY variable. The following shows the Animal
and the Plant input data sets in the library that is referenced by the libref Example:
Animal Plant
OBS Common Animal OBS Common Plant
1 a Ant 1 a Apple
2 b Bird 2 b Banana
3 c Cat 3 c Coconut
4 d Dog 4 d Dewberry
5 e Eagle 5 e Eggplant ...
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Publisher Resources

ISBN: 9781629590004