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 ...Get Combining and Modifying SAS® Data Sets: Examples Second Edition now with the O’Reilly learning platform.
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