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  • 标题:Flexible quantile regression models: application to the study of the purple sea urchin
  • 本地全文:下载
  • 作者:Isabel Martínez-Silva ; Vicente Lustres-Pérez ; Altea Lorenzo-Arribas
  • 期刊名称:SORT-Statistics and Operations Research Transactions
  • 印刷版ISSN:2013-8830
  • 出版年度:2013
  • 卷号:37
  • 期号:1
  • 页码:81-94
  • 语种:English
  • 出版社:SORT- Statistics and Operations Research Transactions
  • 摘要:In many applications, it is often of interest to assess the possible relationships between covariates and quantiles of a response variable through a regression model. In some instances, the effects of continuous covariates on the outcome are highly nonlinear. Consequently, appropriate modeling has to take such flexible smooth effects into account. In this work, various flexible quantile regression techniques were reviewed and compared by simulation. Finally, all the techniques were used to construct the overall zone specific reference curves of morphologic measures of sea urchin Paracentrotus lividus (Lamarck, 1816) located in NW Spain.
  • 关键词:Boosting, quantile regression, reference curves, smoothness
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