A Word About Creating Multiple Observations
by SAS Institute
SAS Certification Prep Guide, 4th Edition
- Title Page
- Copyright
- Accessibility Features of the SAS Certification Prep Guide
- How to Prepare for the SAS Base Programming for SAS®9 Exam
- Chapter 1: Setting Up Practice Data
- Chapter 2: Basic Concepts
- Chapter 3: Setting Up Your SAS Session
- Chapter 4: Identifying and Correcting Errors
- Chapter 5: Creating List Reports
- Chapter 6: Creating SAS Data Sets from External Files
- Raw Data Files
- Creating a SAS Data Set from a Raw Data File
- Referencing a Raw Data File
- DATA Step Statements for Reading Data
- Reading and Verifying the Data
- Creating and Modifying Variables
- Subsetting Data
- Reading Instream Data
- Creating a Raw Data File
- Reading Microsoft Excel Data
- LIBNAME Statement Options
- Creating Excel Worksheets
- The IMPORT Procedure
- Chapter Quiz
- Chapter 7: Understanding DATA Step Processing
- Chapter 8: Creating and Applying User-Defined Formats
- Chapter 9: Producing Descriptive Statistics
- Computing Statistics Using PROC MEANS
- Selecting Statistics
- Limiting Decimal Places
- Specifying Variables in PROC MEANS
- Group Processing Using the CLASS Statement
- Group Processing Using the BY Statement
- Creating a Summarized Data Set Using PROC MEANS
- Creating a Summarized Data Set Using PROC SUMMARY
- Producing Frequency Tables Using PROC FREQ
- Specifying Variables in PROC FREQ
- Creating Two-Way Tables
- Creating N-Way Tables
- Creating Tables in List Format
- Chapter Quiz
- Chapter 10: Creating Output with ODS
- Chapter 11: Creating and Managing Variables
- Chapter 12: Reading SAS Data Sets
- Chapter 13: Combining SAS Data Sets
- Chapter 14: Using Functions to Manipulate Data
- Chapter 15: Processing Data with DO Loops
- Chapter 16: Processing Data with Arrays
- Chapter 17: Reading Raw Data in Fixed Fields
- Chapter 18: Reading and Creating Raw Data in Free-Format
- Chapter 19: SAS Date and Time Values
- Chapter 20: Creating a Single Observation from Multiple Raw Data Records
- Chapter 21: Creating Multiple Observations from a Single Raw Data Record
- Chapter 22: Conditioning Raw Data Files
- Appendix 1: Quiz Answer Keys
- Chapter 2: Basic Concepts
- Chapter 3: Setting Up Your SAS Session
- Chapter 4: Identifying and Correcting Errors
- Chapter 5: Creating List Reports
- Chapter 6: Creating SAS Data Sets from External Files
- Chapter 7: Understanding DATA Step Processing
- Chapter 8: Creating and Applying User-Defined Formats
- Chapter 9: Producing Descriptive Statistics
- Chapter 10: Creating Output with ODS
- Chapter 11: Creating and Managing Variables
- Chapter 12: Reading SAS Data Sets
- Chapter 13: Combining SAS Data Sets
- Chapter 14: Using Functions to Manipulate Data
- Chapter 15: Processing Data with DO Loops
- Chapter 16: Processing Data with Arrays
- Chapter 17: Reading Raw Data in Fixed Fields
- Chapter 18: Reading and Creating Raw Data in Free-Format
- Chapter 19: SAS Date and Time Values
- Chapter 20: Creating a Single Observation from Multiple Raw Data Records
- Chapter 21: Creating Multiple Observations from a Single Raw Data Record
- Chapter 22: Conditioning Raw Data Files
- Index
- Additional Resources
A Word About Creating Multiple Observations
Sometimes
raw data files contain data for several observations in one record.
To reduce the size of an entire data file, data can be stored in this
manner. This chapter covers several techniques for handling raw data,
based on how the data is arranged.
Last updated: January 10, 2018
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