1. Inference of trends in time series.
- Author
-
Wei Biao Wu and Zhibiao Zhao
- Subjects
INFERENCE (Logic) ,TRENDS ,MATHEMATICAL models ,GLOBAL warming ,STREAMFLOW - Abstract
We consider statistical inference of trends in mean non-stationary models. A test statistic is proposed for the existence of structural breaks in trends. On the basis of a strong invariance principle of stationary processes, we construct simultaneous confidence bands with asymptotically correct nominal coverage probabilities. The results are applied to global warming temperature data and Nile river flow data. Our confidence band of the trend of the global warming temperature series supports the claim that the trend is increasing over the last 150 years. [ABSTRACT FROM AUTHOR]
- Published
- 2007
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