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Common structure in panels of short ecological time-series
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UNSPECIFIED (2000) Common structure in panels of short ecological time-series. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES, 267 (1460). pp. 2459-2467. ISSN 0962-8452.
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Abstract
Typically, in many studies in ecology, epidemiology, biomedicine and others, we are confronted with panels of short time-series of which we are interested in obtaining a biologically meaningful grouping. Here, we propose a bootstrap approach to test whether the regression functions or the variances of the error terms in a family of stochastic regression models are the same. Our general setting includes panels of time-series models as a special case. We rigorously justify the use of the test by investigating its asymptotic properties, both theoretically and through simulations. The latter confirm that for finite sample size, bootstrap provides a better approximation than classical asymptotic theory. We then apply the proposed tests to the mink-muskrat data across 81 trapping regions in Canada. Ecologically interpretable groupings are obtained, which serve as a necessary first step before a fuller biological and statistical analysis of the food chain interaction.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QH Natural history > QH301 Biology | ||||
Journal or Publication Title: | PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES | ||||
Publisher: | ROYAL SOC LONDON | ||||
ISSN: | 0962-8452 | ||||
Official Date: | 7 December 2000 | ||||
Dates: |
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Volume: | 267 | ||||
Number: | 1460 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 2459-2467 | ||||
Publication Status: | Published |
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