基于多源数据的长沙市人居热环境效应及其影响因素分析
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熊鹰, 章芳
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Thermal environment effects of urban human settlements and influencing factors based on multi-source data: A case study of Changsha city
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XIONG Ying, ZHANG Fang
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表7 主成分的特征值和贡献率
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Tab. 7 Characteristic value and contribution rate of principal components
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| 成分 | 初始特征值 | 提取载荷平方和 | | 特征值 | 贡献率(%) | 累积贡献率(%) | 特征值 | 方差百分比(%) | 累积贡献率(%) | | 1 | 3.557 | 29.644 | 29.644 | 3.557 | 29.644 | 29.644 | | 2 | 2.637 | 21.978 | 51.622 | 2.637 | 21.978 | 51.622 | | 3 | 1.893 | 15.778 | 67.400 | 1.893 | 15.778 | 67.400 | | 4 | 0.991 | 8.254 | 75.654 | | | | | 5 | 0.786 | 6.554 | 82.208 | | | | | 6 | 0.762 | 6.354 | 88.562 | | | | | 7 | 0.514 | 4.286 | 92.848 | | | | | 8 | 0.428 | 3.569 | 96.417 | | | | | 9 | 0.259 | 2.159 | 98.575 | | | | | 10 | 0.134 | 1.114 | 99.689 | | | | | 11 | 0.030 | 0.246 | 99.935 | | | | | 12 | 0.008 | 0.065 | 100.000 | | | |
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