STAT 7030 Categorical Data Analysis by Peng Zeng

Codes and Datasets

01. Introduction

02. Review of Probability and Statistics

• [SAS] [R] Heights of women -- statistical inference for normal distribution
• [SAS] [R] Children's hair color -- goodness-of-fit test

03. Discrete Distributions and Their Inference

• [SAS] [R] Opinion on legalization of abortion -- statistical inference for proporition
• [SAS] [R] Aspirin and heart attack -- odds ratio
• [R] Children's hair color -- likelihood ratio test

04. Introduction to Generalized Linear Models

• [SAS] [R] Heart disease and snoring -- binomial data
• [SAS] [R] Aspirin and heart attack -- 2x2 table
• [SAS] [R] Horseshoe crabs -- count data
• [SAS] [R] British train accidents -- rate data
• [R] Logistic regression -- iteratively reweighted least squares

05. Logistic Regression

• [SAS] [R] Horseshoe crabs -- logistic regression with one or more predictors
• [SAS] [R] Maternal alcohol consumption -- logistic regression with a categorical predictor
• [SAS] [R] Neuralgia -- multiple logistic regression

06. More Discussions on Logistic Regression

• [SAS] Horseshoe crabs -- variable selection
• [SAS] Admission to graduate school -- residuals
• [SAS] Coronary heart disease -- influence diagnostics
• [SAS] University of Massachusetts Aids Research Unit IMPACT Study (UIS)

07. Multicategory Logit Models

• [SAS] Alligator food choice -- baseline-category logit model
• [SAS] Mental health -- proportional odds model
• [SAS] Horseshoe crabs -- linear discriminant analysis and classification tree

08. Contingency Tables

• [SAS] Belief in afterlife -- two-way contingency table
• [SAS] Education and religious beliefs -- test independence of two categorical variable
• [SAS] Income and job satisfaction -- Test independence for ordinal data
• [SAS] Death penalty -- Simpson's paradox
• [SAS] Effects of ATZ on AIDS symptoms
• [SAS] Clinic trails
• [SAS] Job satisfaction

09. Log-Linear Models for Contingency Tables

• [SAS] High school students alcohol, cigarette, marijuana
• [SAS] Car accidents
• [SAS] Stillbirth
• [SAS] Migration -- loglinear model for square table
• [SAS] Agreement between observers

10. More Examples of Generalized Linear Models

• [SAS] Fishing -- zero-inflated models
• [SAS] Air pollution
• [SAS] Crossover design
• [SAS] Epileptic seizure episodes