02 2018 档案

摘要:how to get data covariance matrix: http://stattrek.com/matrix-algebra/covariance-matrix.aspx meaning of eigen values of covariance matrix: https://www 阅读全文
posted @ 2018-02-02 12:11 每天一点积累 阅读(169) 评论(0) 推荐(0) 编辑

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