Logistic Regression Using the SAS System: Theory and Application
REFERENCES
Acknowledgments
Chapter 1: Introduction
- 1.1 What This Book Is About
- 1.2 What This Book Is Not About
- 1.3 What You Need to Know
- 1.4 Computing
- 1.5 References
Chapter 2: Binary Logit Analysis: Basics
- 2.1 Introduction
- 2.2 Dichotomous Dependent Variables: Example
- 2.3 Problems with Ordinary Linear Regression
- 2.4 Odds and Odds Ratios
- 2.5 The Logit Model
- 2.6 Estimation of the Logit Model: General Principles
- 2.7 Maximum Likelihood Estimation with PROC LOGISTIC
- 2.8 Maximum Likelihood Estimation with PROC GENMOD
- 2.9 Interpreting Coefficients
Chapter 3: Binary Logit Analysis: Details and Options
- 3.1 Introduction
- 3.2 Confidence Intervals
- 3.3 Details of Maximum Likelihood Estimation
- 3.4 Convergence Problems
- 3.5 Multicollinearity
- 3.6 Goodness-of-Fit Statistics
- 3.7 Statistics Measuring Predictive Power
- 3.8 Predicted Values, Residuals, and Influence Statistics
- 3.9 Latent Variables and Standardized Coefficients
- 3.10 Probit and Complementary Log-Log Models
- 3.11 Unobserved Heterogeneity
- 3.13 Sampling on the Dependent Variable
Chapter 4: Logit Analysis of Contingency Tables
- 4.1 Introduction
- 4.2 A Logit Model for a 2 X 2 Table
- 4.3 A Three-Way Table
- 4.4 A Four-Way Table
- 4.5 A Four-Way Table with Ordinal Explanatory Variables
- 4.6 Overdispersion
Chapter 5: Multinomial Logit Analysis
- 5.1 Introduction
- 5.2 Example
- 5.3 A Model for Three Categories
- 5.4 Estimation with CATMOD
- 5.5 Estimation with a Binary Logit Procedure
- 5.6 General Form of the Model
- 5.7 Contingency Table Analysis
- 5.8 CATMOD Coding of Categorical Variables
- 5.9 Problems of Interpretation
Chapter 6: Logit Analysis for Ordered Categories
- 6.1 Introduction
- 6.2 Cumulative Logit Model: Example
- 6.3 Cumulative Logit Model: Explanation
- 6.4 Cumulative Logit Model: Practical Considerations
- 6.5 Cumulative Logit Model: Contingency Tables
- 6.6 Adjacent Categories Model
- 6.7 Continuation Ratio Model
Chapter 7: Discrete Choice Analysis
- 7.1 Introduction
- 7.2 Chocolate Example
- 7.3 Model and Estimation
- 7.4 Travel Example
- 7.5 Other Applications
- 7.6 Ranked Data
Chapter 8: Logit Analysis of Longitudinal and Other Clustered Data
- 8.1 Introduction
- 8.2 Longitudinal Example
- 8.3 GEE Estimation
- 8.4 Fixed-Effects with Conditional Logit Analysis
- 8.5 Postdoctoral Training Example
- 8.6 Matching
- 8.7 Mixed Logit Models
- 8.8 Comparison of Methods
- 8.9 A Hybrid Method
Chapter 9: Poisson Regression
- 9.1 Introduction
- 9.2 The Poisson Regression Model
- 9.3 Scientific Productivity Example
- 9.4 Overdispersion
- 9.5 Negative Binomial Regression
- 9.6 Adjustment for Varying Time Spans
Chapter 10: Loglinear Analysis of Contingency Tables
- 10.1 Introduction
- 10.2 A Loglinear Model for a 2 X 2 Table
- 10.3 Loglinear Models for a Four-Way Table
- 10.4 Fitting the Adjacent Categories Model as a Loglinear Model
- 10.5 Loglinear Models for Square, Ordered Tables
- 10.6 Marginal Tables
- 10.7 The Problem of Zeros
- 10.8 GENMOD versus CATMOD
Appendix
References
Index