Welcome to the Institute for Digital Reseach and Education

SAS Topics
Multilevel Modeling

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

• SAS Frequently Asked Questions
  
  • How can I perform mediation with multilevel data? (Method 2)
  • How do I run a random effect tobit model using nlmixed?
  • How do I run a random effect zero-inflated poisson model using nlmixed?
• SAS Seminars
  • Multilevel Modeling Using SAS
  • Multilevel Modeling Seminar
• SAS Textbook Examples
  • Introduction to Multilevel Modeling by Ita Kreft and Jan de Leeuw
  • Multilevel Analysis: An Introduction to Basic and Advanced Multilevel Modeling by Tom Snijders and Roel Bosker
  • Multilevel Analysis: Techniques and Applications by Joop Hox
• SAS Library
  • 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
• Additional Resources
  • Statistics Books for Loan and Downloadable Books
    • Statistics Books for Loan on Multilevel/Hierarchical Models
    • SAS System for Mixed Models by Ramon Littell, George Milliken, Walter Stroup and Russell Wolfinger.
  • Statistics Papers for Download
    • Downloadable Papers on Multilevel Models