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STA 216 Generalized Linear Models

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Presentation on theme: "STA 216 Generalized Linear Models"— Presentation transcript:

1 STA 216 Generalized Linear Models
Meets: 2:50-4:05 T/TH (Old Chem 025) Instructor: David Dunson 221 Old Chemistry, Teaching Assistant: Eric Vance 222 Old Chemistry,

2 STA 216 Syllabus Topics to be covered:
GLM Basics: components, exponential family, model fitting, frequent inference: analysis of deviance, stepwise selection, goodness of fit Bayesian Inference in GLMs (basics): priors, posterior, comparison with frequentist approach, posterior computation, MCMC strategies (Gibbs, Metropolis-Hastings) Binary & categorical response data: Basics: link functions, form of posterior, approximations, Gibbs sampling via adaptive rejection Latent variable models: Threshold formulations, probit models, discrete choice models, logistic regression & generalizations, data augmentation algorithms (Albert & Chib + other forms) Count Data: Poisson & over-dispersed Poisson log-linear models, prior distributions, applications

3 STA 216 Syllabus Topics to be covered (continued):
Bayesian Variable Selection: problem formulation, mixture priors, stochastic search algorithms, examples, approximations Bayesian hypothesis testing in GLMs: one- and two-sided alternatives, basic decision theoretic approaches, mixture priors, computation, order restricted inference Survival analysis: censoring definitions, form of likelihood, parametric models, discrete-time & continuous time formulations, proportional hazards, priors for hazard functions, computation Missing data: problem formulation, selection & pattern mixture models, shared variable approaches, examples Multistate & stochastic modeling: motivating examples (epidemiologic studies with periodic observations of a disease process), discrete time approaches, joint models, computation

4 STA 216 Syllabus Topics to be covered (continued):
Correlated data (basics): mixed models for longitudinal, frequentist alternatives (marginal models, GEEs, etc) Generalized linear mixed models (GLMM): definition, examples, normal linear case - induced correlation structure, priors, computation, multi-level models, covariance selection Generalized additive models: definition, frequentist approaches for inference & computation (Hastie & Tibshirani), Bayesian approaches using basis functions, priors, computation Factor analytic models: Underlying normal formulations, mixed discrete & continuous outcomes, generalized factor models, joint models for longitudinal and event time data, covariance selection, model identifiability issues, computation

5 Student Responsibilities:
Assignments: Outside reading and problems sets will typically be assigned after each class (10%) Mid-term Examination: An in-class closed-book mid term examination will be given (30%) Project: Students will be expected to write-up and present results from a data analysis project (30%) Final Examination: The final examination will have both in-class (15%) & out of class problems (15%)


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