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- W2353804986 abstract "A methodology of principal component analysis(PCA)for interval data is proposed.Empirical descriptive statistics for interval data is first studied including mean and the variance of univarible and the covariance and correlation coefficient of bivarible.Based on the empirical correlation matrix,an arithmetic of PCA for interval data is put forward which gives interval principal values.An example is illustrated.It indi- cates that the given method is simple and can overcome the shortcoming of the existing methods of PCA for interval data." @default.
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- W2353804986 date "2008-01-01" @default.
- W2353804986 modified "2023-09-26" @default.
- W2353804986 title "Interval PCA based on empirical correlation matrix" @default.
- W2353804986 hasPublicationYear "2008" @default.
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