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SAS Topics
Regression

These pages contain links from all parts of our web site and others web sites on regression analysis.  The topics will vary from introductory to advanced.

• SAS Data Analysis Examples
  • Robust Regression
• Annotated Output
  • Annotated Output of Proc Corr
  • Annotated Output of Proc Reg
  • Annotated Output of Tobit Regression
• SAS Seminars
  • Regression with SAS
• SAS Web Books
  • Regression with SAS Web Book
• SAS Frequently Asked Questions
  • How do I interpret the parameter estimates for dummy variables in PROC REG or PROC GLM?
  • How can I interpret log transformed variables in terms of percent change in linear regression? 
  • How can I compare regression coefficients between 2 groups?  
  • How can I compare regression coefficients across 3 (or more) groups?  
  • How can I write an estimate statement in proc glm using cell means model?
  • How can I compute Omega Squared in SAS after proc glm?
  • How can I visualize interactions of continuous variables in multiple regression?
  • How can I compute Mahalanobis distance?
• SAS Textbook Examples
  • Applied Regression Analysis, Linear Models, and Related Methods by John Fox
  • Regression Analysis by Example by Chatterjee, Hadi & Price
  • Regression with Graphics by Lawrence Hamilton
  • Applied Linear Statistical Models, 4th Ed., by Neter, Kutner, Nachtsheim, and Wasserman
  • Multiple Regression: Testing and Interpreting Interactions by Leona S. Aiken and Steven G. West
• SAS Library
  • Overview of SAS PROC REG courtesy of Professor Michael Friendly of York University
  • How do I handle interactions of continuous and categorical variables?
  • Multivariate regression
  • Nonlinear Regression in SAS courtesy of Oliver Schabenberger
  • Fitting Nonlinear Mixed Models with the New NLMIXED Procedure (PDF) by Russ Wolfinger, from SUGI Proceedings, 1999, courtesy of SAS.
  • An Introduction to PROC LOESS for Local Regression (PDF) by Robert Cohen, from SUGI Proceedings, 1999, courtesy of SAS.
  • An Introduction to Partial Least Squares Regression (PDF) by Randall D. Tobias, from SUGI Proceedings, 1995, courtesy of SAS.
  • SAS Software To Fit Generalized Linear Models (PDF) by Gordon Johnston, from SUGI Proceedings, 1993, courtesy of SAS.
  • A Smart Guide to Dummy Variables (PDF) by Susan Garavaglia and Asha Sharma, courtesy of NESUG
  • Using proc multtest to perform multiple comparisons
• SAS Code Fragments
  • Getting a partial correlation via regression
  • Getting Robust Standard Errors for OLS regression parameters
  • Proc SurveyReg examples
  • Saving a correlation matrix as a data file
  • Getting standardized betas in PROC GLM
  • Proc Mixed for Regression over Time
  • Logistic regression with a labeled outcome variable
  • Analyzing changes in trend over time
  • Sobel test of mediated effects
  • Heckman selection model
• Additional Resources
  • Statistics Books for Loan on Regression Methods
  • Statistics Papers for Download on Regression

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