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Chapter 22. Reading Hierarchical Files

Overview

Introduction

Raw data files can be hierarchical in structure, consisting of a header record and one or more detail records. ...

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Overview	642
Introduction	642
Objectives	643
Creating One Observation Per Detail Record	643
Retaining the Values of Variables	645
Conditionally Executing SAS Statements	645
Reading a Detail Record	646
Dropping Variables	647
Processing a DATA Step That Creates One Observation Per Detail Record	647
Printing Your Results	651
Creating One Observation Per Header Record	651
DO Group Actions for Header Records	653
Reading Detail Records	654
Determining the End of the External File	656
Processing a DATA Step That Creates One Observation Per Header Record	657
Summary	663
Text Summary	663
Points to Remember	664
Practice	664
Quiz	665