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| revprev | Admin | Jun 14'24 at 22:44 | −196 | ||
| revcur | Bot | (Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> Let <math>X</math> and <math>Y</math> be random variables with positive variance. The ''correlation'' of <math>X</math> and <math>Y</math> is defined as <math display="block"> \rho(X,Y) = \frac{{\rm cov}(X,Y)}{\sqrt{V(X)V(Y)}}\ . </math> <ul><li...") | Jun 9'24 at 3:25 | +906 |