Threshold models in non-linear time series analysis
著者
書誌事項
Threshold models in non-linear time series analysis
（Lecture notes in statistics, v. 21）
Springer-Verlag, c1983
- : us
- : gw
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注記
Bibliography: p. 307-316
Includes indexes
内容説明・目次
内容説明
In the last two years or so, I was most fortunate in being given opportunities of lecturing on a new methodology to a variety of audiences in Britain, China, Finland, France and Spain. Despite my almost Confucian attitude of preferring talking (i.e. a transient record) to writing (i.e. a permanent record), the warm encouragement of friends has led to the ensuing notes. I am also only too conscious of the infancy of the methodology introduced in these notes. However, it is my sincere hope that exposure to a wider audience will accelerate its maturity. Readers are assumed to be familiar with the basic theory of time series analysis. The book by Professor M.B. Priestley (1981) may be used as a general reference. Chapter One is addressed to the general question: "why do we need non-linear time series models?" After describing some significant advantages of linear models, it singles out several major limitations of linearity. Of course, the selection reflects my personal view on the subject, which is only at its very beginning, although there does seem to be a general agreement in the literature that time irr'eversibility and limit cycles are among the most obvious.
目次
One Introduction.- 1. Time Series Model Building.- 2. Stationarity.- 3. Linear Gaussian Models.- 4. Some Advantages and Some Limitations of Arma Models.- 5. What Next?.- Two Some Basic Concepts.- 1. Orientation.- 2. Limit Cycles.- 3. Some Examples of Threshold Models.- 4. Time Delay.- 5. Discussion.- Three Threshold Models.- 1. A Canonical Form.- 2. Generality of Setar Models.- 3. Non-Linear Difference Equations.- 4. Threshold Models and Discrete-Time Non-Linear Vibrations.- 5. Ergodicity.- 6. Stationary Distributions and Moments.- 7. Cyclical Structure and Multi-Step-Ahead Forecasting.- Four Identification.- 1. A General Principle.- 2. Estimation of Parameters.- 3. Sampling Properties.- 3.1 A General Result.- 3.2 Application of General Result to SETAR.- 3.3 Some Simulation Studies.- 3.4 Standard Errors of Some Parameter Estimates.- 3.5 Unsolved Problems.- 4. Diagnostics and Graphical Methods.- 5. Miscellanea.- Five Some Case Studies.- 1. Analysis of Some Ecological Data.- 1.1 Ecological Background.- 1.2 Some Graphical Results.- 1.3 A Full Identification.- 1.4 Diagnostics.- 1.5 Transformation.- 1.6 Extension to Two Species.- 2. Analysis of the Sunspot Numbers.- 2.1 Some Background.- 2.2 SETAR Modelling.- 2.3 Transformation.- 2.4 Multi-step-ahead Forecasting.- 2.5 Some Discussion.- 3. Analysis of Some Riverflow Data.- 3.1 Some Background.- 3.2 TARSO Modelling of Vatnsdalsa River, Iceland (1972-1974).- 3.3 TARSO Modelling of Jokulsa River, Iceland (1972-1974).- 3.4 Some Discussion.- 4. A Case Study with Laboratory Data.- 5. A Fuzzy Extension.- 6. Concluding Remarks.- Appedices.- References.- Author Index.
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