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2018年3月2日
z-score
摘要： A z-score (aka, a standard score) indicates how many standard deviations an element is from the mean. A z-score can be calculated from the following f 阅读全文
posted @ 2018-03-02 22:53 stardsd 阅读(3238) 评论(0) 推荐(0) 编辑