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计算两组数据相关性,有什么算法可以用?
LeeReamond
·
Feb 1, 2021
· 1129 views
This topic created in 2109 days ago, the information mentioned may be changed or developed.
需求是现有两组离散数据,都在二维平面直角坐标系里,想问一下算相关性都有什么算法,数学不太好。以前一直用的都是协方差除以方差积的那个公式,最近感觉不太对啊
相关性
算法
方差积
协方差
2 replies
•
2021-02-01 14:08:38 +08:00
lwh0328
Feb 1, 2021
1
PCA?
jr55475f112iz2tu
Feb 1, 2021
2
原本用的是 Pearson Correlation 吧?
如果是离散的,那就用 Spearman's correlation
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