东非国家小城镇形成与发展的潜力——基于最大熵模型分析

邱心叶, 陈爽, 刘圳南

Town formation and development potential of East African countries based on maximum entropy model

QIU Xinye, CHEN Shuang, LIU Zhennan

表5 坦桑尼亚城镇、小城市形成发展影响因素贡献率排名

Tab.5 Ranking of the contribution of factors influencing the formation and development of towns and small cities in Tanzania (%)

贡献率排名 城镇 小城市 变量 贡献率 累积贡献率 变量 贡献率 累积贡献率 1 secondary 45.4 45.4 secondary 41.6 41.6 2 primary 15.1 60.5 ndvi 15.5 57.1 3 ndvi 11.4 71.9 water 12.1 69.2 4 railway 7.7 79.6 prec 7.0 76.2 5 large 6.4 86.0 railway 5.7 81.9 6 farmland 3.6 89.6 primary 4.2 86.1 7 prec 3.3 92.9 large 4.0 90.1 8 medium 1.5 medium 3.5 9 water 1.4 farmland 3.4 10 slope 1.3 dem 1.6 11 soil 1.2 forest 1.3 12 dem 1.1 slope 0.3 13 forest 0.9 soil 0.1