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相关系数

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相关系数,又称作 关联系数(英语:correlation coefficient)是一种相关程度的测量,在统计学上的意义是两个变量之间的关系。[1]关系系数与“皮尔逊积矩相关系数”并不相同。

参考文献

  1. ^ correlation coefficient. NCME.org. National Council on Measurement in Education英语National Council on Measurement in Education. [April 17, 2014]. (原始内容存档于2017-07-22). correlation coefficient: A statistic used to show how the scores from one measure relate to scores on a second measure for the same group of individuals. A high value (approaching +1.00) is a strong direct relationship, values near 0.50 are considered moderate and values below 0.30 are considered to show weak relationship. A low negative value (approaching -1.00) is similarly a strong inverse relationship, and values near 0.00 indicate little, if any, relationship. 
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相关系数
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