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A measure of the degree of association among a pair of variables.
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What is the difference between covariance and correlation? [closed]
Which of the covariance or the correlation gives the best measure of this? And what is the difference between what both statistical tests tell you? …
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Could somebody please explain covariance to me [duplicate]
Calculating the correlation coefficient tells me when stock A rises, whether stock B rises, falls or is unrelated, as well as showing how strong the relationship is. …
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Normalise variables for calculation of correlation coefficient
I want to investigate the correlation between some of the growth and value returns within the same regions, across different regions and across different company sizes, as well as comparing it to GDP for … Do I need to normalise my data before I calculate the correlation coefficients? Or does this assumption not hold for the data I am using for some reason? …