The correlation coefficient is a number between 1 and -1. A number close to 1 means two factors are positively correlated—they rise or fall together and at the same magnitude.

The maximum correlation coefficient between partial sums of independent and identically distributed random variables with finite second moment equals the classical (Pearson) correlation coefficient ...

Learn about asset class correlations, including definitions, types of asset classes, and measurement methods. Discover ...

Consider a Gaussian vector z = (x′, y′)′, consisting of two sub-vectors x and y with dimensions p and q, respectively. With n independent observations of z, we study the correlation between x and y, ...

A dramatic statistical correlation between the prevalence of diabetes and air pollution levels has been demonstrated by a University at Buffalo researcher who publishes his observations in the August ...