상세정보

Introduction to the Age, Period, and Cohort Mix
Introduction
Interest in Age, Period, and Cohort
Importance of Cohorts
Plan for the Book

Multiple Classification Models and Constrained Regression
Introduction
Linearly Coded Age?Period?Cohort (APC) Model
Categorically Coded APC Model
Generalized Linear Models
Null Vector
Model Fit
Solution Is Orthogonal to the Constraint
Examining the Relationship between Solutions
Differences between Constrained Solutions as Rotations of Solutions
Solutions Ignoring One or More of the Age, Period, or Cohort Factors
Bias: Constrained Estimates and the Data Generating Parameters
Unbiased Estimation under a Constraint
A Plausible Constraint with Some Extra Empirical Support

Geometry of APC Models and Constrained Estimation
Introduction
General Geometric View of Rank Deficient by One Models
Generalization to Systems with More Dimensions
APC Model with Linearly Coded Variables
Equivalence of the Geometric and Algebraic Solutions
Geometry of the Multiple Classification Model
Distance from Origin and Distance along the Line of Solutions
Empirical Example: Frost’s Tuberculosis Data
Summarizing Some Important Features from the Geometry of APC Models
Problem with Mechanical Constraints

Estimable Functions Approach
Introduction
Estimable Functions
l′sv Approach for Establishing Estimable Functions in APC Models
Some Examples of Estimable Functions Derived Using the l′sv Approach
Comments on the l′sv Approach
Estimable Functions with Empirical Data
More Substantive Examination of Differences of Male and Female Lung Cancer Mortality Rates

Partitioning the Variance in APC Models
Introduction
Age?Period?Cohort Analysis of Variance (APC ANOVA) Approach to Attributing Variance
APC Mixed Model
Hierarchical APC Model
Empirical Example Using Homicide Offending Data

Factor-Characteristic Approach
Introduction
Characteristics for One Factor
Characteristics for Two or More Factors
Variance Decomposition for Factors and for Factor Characteristics
Empirical Examples: Age?Period-Specific Suicide Rates and Frequencies
Age?Period?Cohort Characteristics (APCC) Analysis of Suicide Data with Two Cohort Characteristics
Age?Cohort?Period Characteristics (ACPC) Analysis of the Suicide Data with Two Period Characteristics
Age?Period?Characteristics?Cohort Characteristics Model
Approaches Based on Factor Characteristics and Mechanism
Additional Features and Analyses of Factor-Characteristic Models

Conclusions: An Empirical Example
Introduction
Empirical Example: Homicide Offending

Index

Conclusions and References appear at the end of each chapter.

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