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Permutation tests forjoinpoint regressionwith applications tocancer rates Hyune-Ju KimMichael P. FayEric J. Feuer2000 год

Permutation tests for joinpoint regression with applications to cancer rates
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Аннотация: A Correction has been published for this article in Statistics in Medicine 2001; 20:655. The identification of changes in the recent trend is an important issue in the analysis of cancer mortality and incidence data. We apply a joinpoint regression model to describe such continuous changes and use the grid-search method to fit the regression function with unknown joinpoints assuming constant variance and uncorrelated errors. We find the number of significant joinpoints by performing several permutation tests, each of which has a correct significance level asymptotically. Each p-value is found using Monte Carlo methods, and the overall asymptotic significance level is maintained through a Bonferroni correction. These tests are extended to the situation with non-constant variance to handle rates with Poisson variation and possibly autocorrelated errors. The performance of these tests are studied via simulations and the tests are applied to U.S. prostate cancer incidence and mortality rates. Copyright © 2000 John Wiley & Sons, Ltd.
Год издания: 2000
Авторы: Hyune-Ju Kim, Michael P. Fay, Eric J. Feuer, Douglas N. Midthune
Издательство: Wiley
Источник: Statistics in Medicine
Ключевые слова: Bayesian Methods and Mixture Models, Statistical Methods and Inference, Statistical Methods and Bayesian Inference
Другие ссылки: Statistics in Medicine (HTML)
PubMed (HTML)