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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/120175


    Title: Exploring Heterogeneities with Geographically Weighted Quantile Regression: An Enhancement Based on the Bootstrap Approach
    Authors: Chen, Vivian Yi‐Ju;Yang, Tse‐Chuan;Matthews, Stephen A.
    Date: 2020-10-11
    Issue Date: 2021-03-12 12:11:45 (UTC+8)
    Abstract: 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.
    Relation: Geographical Analysis 52(4), p.642-661
    DOI: 10.1111/gean.12229
    Appears in Collections:[Graduate Institute & Department of Statistics] Journal Article

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