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Statistics
Regression Analysis
1. Foundations of Regression Analysis
2. Simple Linear Regression
3. Multiple Linear Regression
4. Model Specification and Diagnostics
5. Advanced Linear Regression Topics
6. Generalized Linear Models
7. Specialized Regression Techniques
8. Practical Applications and Implementation
Generalized Linear Models
Introduction to GLMs
Limitations of Linear Regression
Motivation for GLMs
Components of GLMs
Random Component
Systematic Component
Link Function
Exponential Family Distributions
Normal Distribution
Binomial Distribution
Poisson Distribution
Gamma Distribution
Link Functions
Identity Link
Logit Link
Probit Link
Log Link
Inverse Link
Maximum Likelihood Estimation
Likelihood Function Construction
Log-Likelihood Function
Score Function
Information Matrix
Newton-Raphson Algorithm
Fisher Scoring Algorithm
Binary Response Models
Linear Probability Model
Model Specification
Advantages and Limitations
Heteroscedasticity Issues
Predicted Probabilities Outside Unit Interval
Logistic Regression
Logit Model Specification
Odds and Odds Ratios
Interpretation of Coefficients
Marginal Effects
Average Marginal Effects
Marginal Effects at Means
Marginal Effects at Representative Values
Model Diagnostics
Goodness-of-Fit Tests
Probit Regression
Probit Model Specification
Normal CDF Interpretation
Coefficient Interpretation
Marginal Effects in Probit
Comparison with Logit
Count Data Models
Poisson Regression
Model Assumptions
Interpretation of Coefficients
Incidence Rate Ratios
Exposure Variables
Overdispersion in Count Data
Definition and Detection
Consequences for Poisson Model
Tests for Overdispersion
Negative Binomial Regression
Model Specification
Handling Overdispersion
Interpretation of Results
Model Selection Criteria
Zero-Inflated Models
Zero-Inflated Poisson
Zero-Inflated Negative Binomial
Hurdle Models
Categorical Response Models
Ordinal Response Models
Ordered Logit Model
Ordered Probit Model
Proportional Odds Assumption
Interpretation of Coefficients
Multinomial Response Models
Multinomial Logit Model
Independence of Irrelevant Alternatives
Interpretation of Coefficients
Relative Risk Ratios
Conditional Logit Models
Choice-Specific Variables
Individual-Specific Variables
Mixed Logit Models
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5. Advanced Linear Regression Topics
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7. Specialized Regression Techniques