Modeling Longitudinal and Panel Data

This course covers the extension of Generalized Linear Models (GLM) to model varieties of longitudinal and clustered data, called panel data.

Social scientists, and medical and psychological researchers who need to analyze and model longitudinal or panel data.

Modeling Longitudinal and Panel Data

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Modeling Longitudinal and Panel Data

This course covers the extension of Generalized Linear Models (GLM) to model varieties of longitudinal and clustered data, called panel data. Specifically, the course treats generalized estimating equations (GEE), a population averaging method that models panel data in which the response is a member of the exponential family of distributions; e.g., continuous, binary, grouped, and count. GEE is one of several methods used to model panel data --- the most noted alternative being random effect models.
The course will discuss GEE theory, relevant correlation structures, and differences in both theory and application between population averaging GEE (PA-GEE) and random effects or subject specific panel models (SS-GEE).

This course is a core requirement or elective in the following Program(s) in Advanced Statistical Studies (PASS):

• Biostatistics (controlled trials)

• Biostatistics (Epidemiology)

• Statistics for Social Sciences

Though it is not required for practical applications of material in this course, some familiarity with calculus (see statistics.com's brief Calculus Review course) is helpful for a complete understanding of model development.

Participants should be familiar with Generalized Linear Models. Those unfamiliar with this material should take the Generalized Linear Models course first.

Course outline: The course is structured as follows

SESSION 1

• Theory and history of GLM
• Development of methods to analyze panel data
• Software used for GEE and related models

SESSION 2

• Model Construction and Estimating Equations for Panel data in general and PA-GEE specifically
• Parameterization of the working correlation matrix
• Scale variance estimation
• Alternating logistic regression models

• SS-GEE models (random effect)
• GEE2 models
• Generalized and cumulative logistic regression
• Problems with missing data

• Residual analysis
• Goodness-of-fit
• Comparative testing of models
• MCAR assumption for PA-GEE models

This course takes place over the internet, at statistics.com for 4 weeks. During each course week, you participate at times of your own choosing - there are no set times when you must be online. Course participants will be given access to a private discussion board. In class discussions led by the instructor, you can post questions, seek clarification, and interact with your fellow students and the instructor.

The course typically requires 15 hours per week. At the beginning of each week, you receive the relevant material, in addition to answers to exercises from the previous session. During the week, you are expected to go over the course materials, work through exercises, and submit answers. Discussion among participants is encouraged. The instructor will provide answers and comments, and you will receive individual feedback on your homework answers.

1. You may be interested only in learning the material presented, and not be concerned with grades or a record of completion.
2. You may be enrolled in PASS (Program in Advanced Statistical Studies) that requires demonstration of proficiency in the subject, in which case your work will be assessed for a grade.
3. You may require a "Record of Course Completion," along with professional development credit in the form of Continuing Education Units (CEU's).

As you begin the class, you will be asked to specify your category.

This course offers continuing education units (CEU's). For those successfully completing the course (generally this means marks of 50% or better on the homework), 5.0 CEU's and a record of course completion will be issued by Statistics.com, upon request.

James W. Hardin and Joseph M. Hilbe (2003), Generalized Estimating Equations, (not included in course price) available here. PLEASE ORDER YOUR COPY IN TIME FOR THE COURSE STARTING DATE.

In some lessons, you will benefit from being able to implement models in a software program that is able to do GEE (for example, Stata, SAS, S-PLUS, SPSS, R). Click Here for information on obtaining a free (or nominal cost) copy of various software packages for use during the course.

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