A comprehensive overview of developments in the theory and application of state space modeling, first published in 2004.This volume offers a broad overview of the state-of-the-art developments in the theory and applications of state space modeling. With fourteen chapters from twenty three contributors, it offers a unique synthesis of state space methods and unobserved component models that are important in a wide range of subjects, including economics, finance, environmental science, medicine and engineering. Offering a useful reference for all researchers and students who use state space methodology, this accessible volume makes a significant contribution to the advancement of this discipline.This volume offers a broad overview of the state-of-the-art developments in the theory and applications of state space modeling. With fourteen chapters from twenty three contributors, it offers a unique synthesis of state space methods and unobserved component models that are important in a wide range of subjects, including economics, finance, environmental science, medicine and engineering. Offering a useful reference for all researchers and students who use state space methodology, this accessible volume makes a significant contribution to the advancement of this discipline.Offering a broad overview of the state-of-the-art developments in the theory and applications of state space modeling, fourteen chapters from twenty-three contributors present a unique synthesis of state space methods and unobserved component models important in a wide range of subjects. They include economics, finance, environmental science, medicine and engineering. A useful reference for all researchers and students who use state space methodology, this accessible volume makes a significant contribution to the advancement of the discipline.Part I. State Space Models: 1. Introduction to state space time series analysis James Durbin; 2. State structure, decision making and related issues Peter Whittle;l³@