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    題名: Exploring Heterogeneities with Geographically Weighted Quantile Regression: An Enhancement Based on the Bootstrap Approach
    作者: Chen, Vivian Yi‐Ju;Yang, Tse‐Chuan;Matthews, Stephen A.
    日期: 2020-10-11
    上傳時間: 2021-03-12 12:11:45 (UTC+8)
    摘要: Geographically weighted quantile regression (GWQR) has been proposed as a spatial analytical technique to simultaneously explore two heterogeneities, one of spatial heterogeneity with respect to data relationships over space and one of response heterogeneity across different locations of the outcome distribution. However, one limitation of GWQR framework is that the existing inference procedures are established based on asymptotic approximation, which may suffer computation difficulties or yield incorrect estimates with finite samples. In this article, we suggest a bootstrap approach to address this limitation. Our bootstrap enhancement is first validated by a simulation experiment and then illustrated with an empirical U.S. mortality data. The results show that the bootstrap approach provides a practical alternative for inference in GWQR and enhances the utilization of GWQR.
    關聯: Geographical Analysis 52(4), p.642-661
    DOI: 10.1111/gean.12229
    顯示於類別:[統計學系暨研究所] 期刊論文

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