SAS Library

This page contains web pages about SAS, most of which have been borrowed
and adapted from SAS web pages from all around the world. These pages tend to have
in depth information about particular features of SAS and are a good resource when you
want to get a greater detailed understanding of particular features in SAS. We are
grateful to all of those who have written these pages and have graciously given us
permission to borrow and adapt their pages. We must insist that these pages be used
strictly for educational and informational purposes only!  If you
find a particular page useful, we suggest visiting the site from which the page came
because you may find other pages there useful and informative, and you may want to send
the author of the page an email letting them know how you liked their page.

Getting Started

• The User Interface of SAS for Windows , adapted from
  materials created by Oliver Schabenberger
• Overview of the SAS Language adapted from materials created
  by Professor Oliver Schabenberger
• Overview of SAS Procedures courtesy of
  Professor Michael Friendly of York University

Statistical Analysis in SAS

• Regression Methods
  
  
  
  • Overview of SAS PROC REG courtesy of
    Professor Michael Friendly of York University
  
  
  • Multivariate regression
  
  
  • How do I handle interactions of continuous and
    categorical variables?
  
  
  • Nonlinear Regression in SAS courtesy of Oliver Schabenberger.
  
  
  • Fitting Nonlinear Mixed Models with the New
    NLMIXED Procedure
    by Russ Wolfinger, from SUGI Proceedings, 1999, courtesy of SAS.
  
  
  • An Introduction to PROC LOESS for Local
    Regression
    by Robert Cohen, from SUGI Proceedings, 1999, courtesy of SAS.
  
  
  • An Introduction to Partial Least Squares Regression
    by Randall D. Tobias, from SUGI Proceedings, 1995, courtesy of SAS.
  
  
  • SAS Software To Fit Generalized Linear Models
    by Gordon Johnston, from SUGI Proceedings, 1993, courtesy of SAS.
  
  
  
  
• Logistic Regression and Probit
  • A Tutorial on Logistic Regression by Ying So, from SUGI Proceedings, 1995, courtesy of SAS).
  
  
  • Some Issues in Using PROC LOGISTIC for Binary Logistic Regression by David C. Schlotzhauer, courtesy of SAS).
  
  
  • Differences
    Between Statistical Software Packages As Applied to a Binary Response
    Variable, Courtesy of Professor Ibrahim, Tanta University
  
  
  • Performing Exact Logistic Regression with
    the SAS System by Robert Derr, SUGI Proceedings, 2000, courtesy of SAS)
  
  
  • Calculating Marginal Probabilities in PROC
    PROBIT by
    Guy Pascale, courtesy of NESUG
• ANOVA and Experimental Design
  
  
  
  • Analysis of Variance in SAS courtesy of
    Professor Michael Friendly of York University
  
  
  • Repeated Measures ANOVA Using SAS PROC GLM courtesy of the Consulting
    group in the Division of Statistics and Scientific Computation at
    UT Austin.
  
  

  • Slicing Interactions in SAS courtesy of Oliver Schabenberger

  
  

  • SAS Code for Some Advanced Experimental Designs courtesy
    of Oliver Schabenberger

  
  

  • Comparing Methods of Analyzing Repeated
    Measures Data

  
  
  
  


• PROC MIXED
  
  
  
  • Comparing the SAS GLM and MIXED Procedures for Repeated Measurements Analysis by Russ Wolfinger and Ming Chang, from SUGI Proceedings, 1995, courtesy of SAS.
  
  
  • A Brief Comparison of PROC GLM and PROC MIXED in SAS
    courtesy of Oliver Schabenberger
  
  
  
  


• Categorical Data Analysis
  
  
  
  • Recent Advances in Categorical Data Analysis by Maura Stokes, from SUGI Proceedings, 1999, courtesy of SAS..
  
  
  • Repeated Measures Analysis with Discrete Data Using the SAS System by Gordon Johnston and Maura Stokes, from SUGI Proceedings, 1996, courtesy of SAS.
  
  
  • Exact Methods in the NPAR1WAY Procedure by Anupama Narayanan and Donna Watts, from SUGI Proceedings, 1996, courtesy of SAS.
  
  
  
  


• Other
  
  
  
  • Factor Analysis Using SAS PROC FACTOR courtesy of
    the Consulting
    group in the Division of Statistics and Scientific Computation at
    UT Austin.
  
  
  • Structural Equation Modeling Using Proc Calis
  
  
  • Sample Size Computations and Power
    Analysis with the SAS System by John Castelloe, SUGI Proceedings, 2000, courtesy of SAS)
  
  
  • Multiple Imputation for Missing
    Values: Concepts and New Development by Yang Yuan, SUGI Proceedings, 2000, courtesy of SAS)
  
  
  • Point & Click Forecasting with the
    Time Series Forecasting System
    by Charles Hallahan, courtesy of NESUG
  
  
  • New SAS Procedures for Analysis of Sample Survey Data by Anthony An and Donna Watts, from SUGI Proceedings,
    1998, courtesy of SAS.
    
  • Recent Enhancements and New Directions in SAS/STAT Software by Maura E. Stokes and Robert N. Rodriguez, from SUGI Proceedings, 1998, courtesy of SAS.
    
  • Exploring ELISA Data with the Analyst
    Application by Stewart Fossceco, Knoll Pharmaceutical Company and Nathan Curtis, SAS Institute Inc., from SUGI Proceedings, 1999, courtesy of SAS.
    
  • Statistical Enhancements in Release 6.12 of the SAS System by Maura E. Stokes, from SUGI Proceedings, 1997, courtesy of SAS.
  
  
  • Confirmatory and Exploratory Data
    Analyses Using PROC GENMOD: Factors Associated with Red Light Running
    Crashes by Li wan Chen and Yusuf Mohamedshah, courtesy of NESUG
  
  
  • Psychometrics 101 by
    Ronald P. Cody, courtesy of NESUG
  
  
  • A Smart Guide to Dummy Variables by
    Susan Garavaglia and Asha Sharma, courtesy of NESUG
  
  
  • A Simulation Study of Estimators in
    Stratified Proportional Hazard Models by Hsi-Wen Liao, courtesy of NESUG
  
  
  • RISK EVALUATION AFTER HEART VALVE
    REPLACEMENT BY SAS PROC PHREG by
    Chao L. Chen and Lynn Wang, courtesy of NESUG
  
  
  • Using proc multtest to perform multiple
    comparisons
  
  
  
  

SAS Programming 

• Reading Data/Data Transformation/Data Management

  • Reading Data into SAS adapted from materials created by
    Oliver Schabenberger
  • The Input Statement: Where It’s @ by Ronald Cody,
    courtesy of NESUG
  • Data Transformations and Manipulation in SAS adapted
    from materials created by Oliver Schabenberger
  • Working with SAS Date and Time Functions
    by Andrew H. Karp, courtesy of NESUG  
  • Creative Uses of Functions
    by Steven A. Wright, courtesy of NESUG
  • Data Cleaning 101
    by Ronald Cody, courtesy of NESUG
  • How MERGE Really Works
    by Bob Virgile, courtesy of NESUG
  • Transforming Multiple-Record Data into
    Single-Record Format when Number of Variables is Large
    by David Izrael & David Russo, courtesy of NESUG
  • Longitudinal Data Techniques: Looking Across
    Observations by Ronald Cody, Ed.D., Robert Wood Johnson, courtesy of NESUG
  • Changing the Shape of Your Data: PROC TRANSPOSE
    vs. Arrays by
    Bob Virgile, courtesy of NESUG
  • The RETAIN Statement: One Window into the
    SAS Data Step
    by Paul Gorrell, courtesy of NESUG
• Procedures
  • PROC MEANS More than just your average
    procedure
    by Peter R. Welbrock, courtesy of NESUG
  • The power of PROC FORMATby Jonas V. Bilenas, courtesy of
    NESUG 
  • Ten Things You Should Know About PROC FORMAT
    by Jack Shoemaker, courtesy of NESUG
  • PROC SQL for DATA Step Die-Hards
    by Christianna S. Williams, courtesy of NESUG
  • An Introduction to the SQL Procedure
    by Chris Yindra, courtesy of NESUG
    
  
  
  • Alternatives to Merging SAS Data Sets
    But Be Careful
    by Michael J. Wieczkowski, courtesy of NESUG
    
  
  
  • Handling Missing Values in the SQL
    Procedure
    by Danbo Yi and MA Lei Zhang, courtesy of
    NESUG
  
  
  • Creating and using indexes in SAS
  
  
  • Creating and using formats and format libraries
    in SAS
  
  
  • Using multidimensional arrays
• Good Programming Practices
  • Bulletproofing Your SAS Results
    by Vanessa Hayden, courtesy of NESUG 
  • Clean-up, Comments and Code – Making it
    Maintainable
    by Clay and Lori Martin, courtesy of NESUG 
  • SAS Program Efficiency for Beginners
    by Bruce Gilsen, courtesy of NESUG 
  • Coding for Posterity
    by Rick Aster, courtesy of NESUG
• ODS
  • ODS, YES! Odious, NO! An Introduction to
    the SAS Output Delivery System
    by Lara Bryant, Sally Muller and Ray Pass, courtesy of
    NESUG 
  • ODS for Data Analysis: Output As-You-Like-It in Version 7 by Christopher R. Olinger and Randall D. Tobias, from SUGI Proceedings, 1998,
    courtesy of SAS.
  • Making the SAS
    Output Delivery System (ODS) work for you by William Fehlner, from SUGI Proceedings, 1999,
    courtesy of SAS.
  • Twisty
    Little Passages All Alike, Output Delivery System (ODS) Templates
    Exposed by Chris Olinger, from SUGI Proceedings, 1999,
    courtesy of SAS.
• SAS Macros
  • Getting Started with Macros
    by Ian Whitlock, courtesy of NESUG
  • Moving from Macro Variables
    to Macros
    by Lisa Sanbonmatsu, courtesy of NESUG
  • Macros from Beginning to Mend A Simple and
    Practical Approach to the SAS Macro Facility
    by Michael G. Sadof, courtesy of NESUG
  • An Introduction to Macro Variables and
    Macro Programs
    by Mike S. Zdeb, courtesy of NESUG
  • Creating Macro Variables via PROC SQL
    by Mike S. Zdeb, courtesy of NESUG
  • More About INTO:Host-Variable in PROC
    SQL: Examples
    by John Q. Zhang, courtesy of NESUG
  • Macro Quoting Functions, Other Special
    Character Masking Tools, and How To Use Them
    by Arthur L. Carpenter, courtesy of NESUG
  • Secrets of Macro Quoting Functions How
    and Why
    by Susan O Connor, courtesy of NESUG
  • &&&, ;;, and Other
    Hieroglyphics Advanced Macro Topics
    by Chris Yindra, C. Y., courtesy of NESUG
• Other
  • Debugging 101
    by Peter Knapp, courtesy of NESUG
  • Those Missing Values in Questionnaires
    by John R. Gerlach and Cindy Garra, courtesy of
    NESUG
  • Avoiding Mayhem in the New Millennium:
    Working with Missing Data
    by JoAnn Matthews, courtesy of NESUG
  • Simplifying Complex Character Comparisons
    by Using the IN Operator and the Colon (:) Operator Modifier
    by Paul Grant, courtesy of NESUG
  • Arrays: In and Out and All About
    by Marge Scerbo, courtesy of NESUG
  • Complex Arrays Made Simple
    by Mary McDonald, PaineWebber Incorporated, courtesy of
    NESUG 
  • You Could Look It Up: An Introduction to
    SAS HELP Dictionary Views
    by Michael Davis, courtesy of NESUG 
  • The ‘SKIP’ Statement
    by Paul Grant, courtesy of NESUG
  • Indexing and Compressing SAS Data Sets: How,
    Why, and Why Not
    Andrew H. Karp, courtesy of NESUG 

Transferring Files

• File Transfer with WS_FTP adapted from a page developed by Training Services of
  The
  University of Texas at Austin.

Links to Other SAS Resources

• Proceedings
  from NESUG for 1997 through 2000
• Proceedings
  from SUGI 26, April 2001
• SAS Statistics Papers
  (including Data
  Analysis Papers, Econometrics and Time Series Papers)
• SAS Statistics Documentation
• SAS Statistics
  Examples