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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
The number of observations in the new data set is the sum of the number of observations
in the master data set and the number of unmatched observations in the transaction data
set.
For complete information about the UPDATE and the MODIFY statements, see SAS
Statements: Reference.
Syntax of the UPDATE Statement
Use this form of the UPDATE statement to update a master data set:
UPDATE master-data-set transaction-data-set;
BY variable-list;
where
master-data-set
names the SAS data set that is used as the master file.
transaction-data-set
names the SAS data set that contains the changes to be applied to the master data set.
variable-list
specifies the variables by which observations are matched.
If the transaction data set contains duplicate values of the ...
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Publisher Resources

ISBN: 9781629590004