SAS® Certification Prep Guide: Base Programming for SAS®9

Chapter 12. Reading SAS Data Sets

Overview	328
Introduction	328
Objectives	328
Reading a Single Data Set	329
Manipulating Data	330
Using BY-Group Processing	331
Finding the First and Last Observations in a Group	331
Finding the First and Last Observations in Subgroups	334
Reading Observations Using Direct Access	336
The POINT= Option	336
Preventing Continuous Looping with the POINT= Option	337
Writing Observations Explicitly	338
More Complex Ways of Using Direct Access	338
Detecting the End of a Data Set	339
The END= Option	339
Understanding How Data Sets Are Read	341
Compilation Phase	341
Execution Phase	342
Additional Features	348
Summary	349
Text Summary	349
Points to Remember	349
Practice	350
Quiz	351

Overview

Introduction

You’ve learned about creating a SAS data set from raw data. However, ...