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地理作用和集聚演化:基于数据挖掘的分析

DOI: 10.11820/dlkxjz.2009.06.004, PP. 855-862

Keywords: 集聚演化,地理作用,数据挖掘,决策树,支持向量机回归

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Abstract:

经济集聚是工业社会中一种普遍存在的地理现象。它可以发生在不同的地理层面上,具有多种空间组织结构。在回答地理是否会影响集聚演化的问题上存在着两种不同的观点。其一是认为良好的地理环境将有助于经济集聚的产生,并且地理作用在其发展过程中持续存在;其二是认为地理仅是集聚形成的一个触发因子,其发展可以依赖纯经济因素而不是比较优势。本文运用数据挖掘技术,将演化时段分成集聚形成和集聚发展二个阶段,从另一个角度详细分析这两种观点。研究结论表明,集聚的形成受到自然地理要素的影响比经济地理要素要大。但经济地理要素对集聚增长具有显著的作用,经济因素和交通因素是集聚规模增加的关键所在,而自然地理因素作用被削弱了。

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