Chinese Quarterly Journal of Mathematics ›› 1990, Vol. 5 ›› Issue (1-2): 27-30.
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Abstract: 本文研究岭型主成分估计的回归最优性,证明了岭型降维估计类中。岭型主成分估计具有Φ-最小、E-最小和 D-最小性,且协方差阵的正交不变范数最小。推广了[2]中某些结果.
田保光. 岭型主成分估计的最优性[J]. Chinese Quarterly Journal of Mathematics, 1990, 5(1-2): 27-30.
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