Distance correlation: Difference between revisions

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m Definitions: reverted an incorrect edit of 8 October 2016‎ by 37.157.218.183. (in second line of second equation)
Line 54:
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& = \operatorname{E}[\|X-X'\|\,\|Y-Y'\|] + \operatorname{E}[\|X-X'\|]\,\operatorname{E}[\|Y-Y'\|] \\
&\qquad - 2\operatorname{E}[\|X-X''\|\,\|Y-Y''\|],
\end{align}
</math>