| 基于主成分分析的汶川地震灾情的综合评价 |
| |
| 引用本文： | 陈丽,张朝元.基于主成分分析的汶川地震灾情的综合评价[J].洛阳师范学院学报,2012(2):7-10. |
| |
| 作者姓名： | 陈丽 张朝元 |
| |
| 作者单位： | 1. 大理学院工程学院,云南大理,671003
2. 大理学院数学与计算机学院,云南大理,671003 |
| |
| 基金项目： | 云南省教育厅科学研究基金 |
| |
| 摘 要： | 利用主成分分析运用SPSS软件对汶川地震36个严重受灾县市进行了综合分析.一方面,得到了用来判断灾情严重程度的主要灾情指标,另一方面,依据主成分的综合得分对36个县市按照灾情严重程度进行了排序.同时,依据主成分综合得分的均值化数值对36个县市进行了分类.
|
| 关 键 词： | 主成分分析 均值化 汶川地震 灾情 综合评价 |
Synthetic Evaluation of Disaster in Wenchuan Earthquake Based on Principal Component Analysis |
| |
| CHEN Li,ZHANG Chao-yuan.Synthetic Evaluation of Disaster in Wenchuan Earthquake Based on Principal Component Analysis[J].Journal of Luoyang Teachers College,2012(2):7-10. |
| |
| Authors: | CHEN Li ZHANG Chao-yuan |
| |
| Institution: | 1.College of Engineering,Dali University,Dali 671003,China;2.College of Mathematics and Computer,Dali University,Dali 671003,China) |
| |
| Abstract: | By principal component analysis of SPSS software,the synthetic evaluation is conducted on 36 serious disaster-stricken counties and cities in Wenchuan earthquake.Firstly,the main indicators of disaster are gained to determine severity of the disaster.Secondly,these 36 counties and cities are ranked according to the severity of disaster based on comprehensive scores of principal components.Thirdly,these 36 counties and cities are classified according to the centering value from comprehensive scores of main composition. |
| |
| Keywords: | principal component analysis centering Wenchuan earthquake disaster synthetic evaluation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
