Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis

Chen Shangji; Yao Shiyu

Volume 13 Issue 1

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Article Navigation > Acta Oceanologica Sinica > 1994 > (1): 31-46

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Chen Shangji, Yao Shiyu. Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis[J]. Acta Oceanologica Sinica, 1994, (1): 31-46.

Citation:

Chen Shangji, Yao Shiyu. Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis[J]. Acta Oceanologica Sinica, 1994, (1): 31-46.

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Division of hydroclimatic area over China seas——Ⅰ. Principal component analysis

National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China

Received Date: 1993-08-01
Rev Recd Date: 1993-09-29

Abstract

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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