| Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis |
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| 引用本文： | Chen Shangji,Yao Shiyu. Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis[J]. 海洋学报(英文版), 1994, 13(1): 31-46 |
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| 作者姓名： | Chen Shangji Yao Shiyu |
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| 作者单位： | National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China;National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China |
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| 基金项目： | This project is supported by the National Natural Science Foundation of China. |
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| 摘 要： | ＤｉｖｉｓｉｏｎｏｆｈｙｄｒｏｃｌｉｍａｔｉｃａｒｅａｏｖｅｒＣｈｉｎａｓｅａｓ──Ⅰ．Ｐｒｉｎｃｉｐａｌｃｏｍｐｏｎｅｎｔａｎａｌｙｓｉｓ￥ＣｈｅｎＳｈａｎｇｊｉａｎｄＹａｏＳｈｉｙｕ（ＲｅｃｅｉｖｅｄＡｕｇｕｓｔ１，１９９３；ａｃｃｅｐｔｅｄＳｅ...
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| 收稿时间： | 1993-08-01 |
| 修稿时间： | 1993-09-29 |
Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis |
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| Chen Shangji and Yao Shiyu. Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis[J]. Acta Oceanologica Sinica, 1994, 13(1): 31-46 |
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| Authors: | Chen Shangji and Yao Shiyu |
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| Affiliation: | National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China |
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| Abstract: | On the basis of oceanographic data over years of the China seas, 19 elements affecting the oceano-graphical climate are sorted out to make R-type principal component analysis. The first 6 principal synthetic factors are found with 91.06% of the accumulative ratio of their eigenvalue's variances to population variance, representing fullythe original information. In order to polarize the loading values of every principal factor tending to 1 or 0, varimax orthogonal rotation to the loading matrix of 6 principal factors is made. |
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