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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Example 7.1 Modifying All Observations in a Data Set in Place
Goal
Modify the values of existing variables in a data set without creating a new copy of the data set.
Example Features
| Featured Step | DATA step |
| Featured Step Options and Statements | MODIFY statement |
| Related Technique | PROC SQL, UPDATE clause |
| A Closer Look | Reviewing the CONTENTS Output for a Data Set Modified with the MODIFY Statement |
Input Data Set
Data set DATACONFERENCE stores the schedule for one day of a conference. This data set is also the master data set in Example 7.2.
DATACONFERENCE
Obs section starttime talktime speaker topic 1 Applications 8:00 AM 50 Brooks, Jason Customer Service 2 Data Mining 8:00 AM 50 Jones, Janet Direct Marketing 3 Statistics 8:00 AM 50 Thomas, Linda New ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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