Correlation coefficients are indicators of the strength of the linear relationship between two different variables, x and y. A linear correlation coefficient that is greater than zero indicates a ...

Almost every day you can find in media commentary that XYZ is causing stocks to fall (or rise). Such definitive statements are common—but what’s almost always missing is statistical proof. And if you ...

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This is a preview. Log in through your library . Abstract Correlation matrices play a key role in many multivariate methods (e.g., graphical model estimation and factor analysis). The current state-of ...

This is a preview. Log in through your library . Abstract The distribution of the sample correlation coefficient is derived when the population is a mixture of two bivariate normal distributions with ...