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covariance和correlation的区别,在金融里的意义是什么I wonder what is the eff
题目内容：
covariance和correlation的区别,在金融里的意义是什么
I wonder what is the effect of a covariance's value?Or we figured the value of covariance in order to know whether it is positive or negative only?Unlike the correlation,the value tells us how similar the change between two variables.
covariance和correlation的区别,在金融里的意义是什么
I wonder what is the effect of a covariance's value?Or we figured the value of covariance in order to know whether it is positive or negative only?Unlike the correlation,the value tells us how similar the change between two variables.
I wonder what is the effect of a covariance's value?Or we figured the value of covariance in order to know whether it is positive or negative only?Unlike the correlation,the value tells us how similar the change between two variables.
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