基于随机森林模型的西藏人口分布格局及影响因素
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王超, 阚瑷珂, 曾业隆, 李国庆, 王民, 次仁
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Population distribution pattern and influencing factors in Tibet based on random forest model
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Chao WANG, Aike KAN, Yelong ZENG, Guoqing LI, Min WANG, Ren CI
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| 表2 西藏不同人口密度分级的乡镇人口总数与面积 |
| Tab. 2 The total population and area of each population density range at township level in Tibet |
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| 人口密度分级(人/km2) | 统计单元个数(个) | 总人口(人) | 人口占比(%) | 总面积(km2) | 面积占比(%) | | 0~1 | 102 | 235880 | 7.86 | 768471 | 63.82 | | 1~4 | 189 | 550149 | 18.33 | 244664 | 20.32 | | 4~7 | 115 | 482070 | 16.06 | 91516 | 7.60 | | 7~10 | 75 | 378282 | 12.60 | 45631 | 3.79 | | 10~40 | 126 | 870345 | 28.99 | 51935 | 4.31 | | 40~70 | 7 | 43936 | 1.46 | 918 | 0.08 | | 70~100 | 1 | 6621 | 0.22 | 74 | 0.01 | | 100~400 | 6 | 142181 | 4.74 | 722 | 0.06 | | 400~700 | 2 | 93542 | 3.12 | 172 | 0.01 | | >700 | 1 | 199159 | 6.63 | 68 | 0.01 |
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