Questions tagged [correlation]

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What is meant by correlation structure?

I know only about the Pearson's correlation coefficient in literature. Covariance between two random variables $X$ and $Y$ is defined as $$Cov[X, Y] = \mathbb{E}[(X - \mathbb{E}[X])(Y-\mathbb{E}[Y])]$$...
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How do I determine which variables/features have the strongest relationship with each other?

This is my problem: I have 10 variables that I intend to evaluate two by two (in pairs). I want to know which variables have the strongest relationships with each other. And I'm only interested in ...