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中国港口功能的聚类和判别

, PP. 76-83

Keywords: 交通运输经济,港口功能,聚类分析,因子分析,人工神经网络

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Abstract:

根据中国港口的样本特征,选取了11个主要功能指标,建立了因子分析模型,并进行了适用性检验。根据主成分分析法,提取了3个待定因子,经过因子旋转和归一化处理,采用系统凝聚法对中国沿海24个港口的主要功能进行聚类分析。以MATLAB为技术基础,对烟台港功能类型进行判别。分析结果表明根据经济功能因子、城市功能因子和物流功能因子的分类,中国沿海24个港口可以聚成7类,第1类为上海港,第2类为深圳港,第3类为广州港,第4类为宁波舟山港,第5类为青岛港、天津港、大连港,第6类为厦门港、丹东港、威海港、汕头港、北海港、防城港、海口港、连云港港、营口港、秦皇岛港、日照港,第7类为唐山港、温州港、台州港、福州港、泉州港、湛江港;运用人工神经网络方法,烟台港被判别为第7类。可见,方法有效。

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