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Point-biserial correlation coefficient

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This is an old revision of this page, as edited by Jeremymiles (talk | contribs) at 20:53, 27 November 2005. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

The point biserial correlation coefficient is an formula for the calculation of the Pearson (product moment) correlation coefficient when both variables are dichotomous.

In the days before computers, this mattered. Nowadays, it doesn't, but the historical legacy means that the point biserial is still mentioned.


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