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    題名: SAS macro programs for geographically weighted generalized linear modeling with spatial point data: Applications to health research
    作者: Chen, Vivian Yi-Ju;Yang, Tse-Chuan
    貢獻者: 淡江大學統計學系
    關鍵詞: SAS;Geographically weighted generalized linear modeling;Geographically weighted regression;Spatial point data;Spatial non-stationarity
    日期: 2012-08-01
    上傳時間: 2012-03-12 17:41:02 (UTC+8)
    出版者: Shannon: Elsevier Ireland Ltd.
    摘要: An increasing interest in exploring spatial non-stationarity has generated several specialized analytic software programs; however, few of these programs can be integrated natively into a well-developed statistical environment such as SAS. We not only developed a set of SAS macro programs to fill this gap, but also expanded the geographically weighted generalized linear modeling (GWGLM) by integrating the strengths of SAS into the GWGLM framework. Three features distinguish our work. First, the macro programs of this study provide more kernel weighting functions than the existing programs. Second, with our codes the users are able to better specify the bandwidth selection process compared to the capabilities of existing programs. Third, the development of the macro programs is fully embedded in the SAS environment, providing great potential for future exploration of complicated spatially varying coefficient models in other disciplines. We provided three empirical examples to illustrate the use of the SAS macro programs and demonstrated the advantages explained above.
    關聯: Computer Methods and Programs in Biomedicine 107(2), pp.262–273
    DOI: 10.1016/j.cmpb.2011.10.006
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