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From "Bobic, Tamara" <>
Subject RE: Correlation coefficient
Date Tue, 19 Aug 2014 14:38:41 GMT
Hi Ted,

thanks for the responce, I already tried that (assigning 1 and 0 instead of true/false), I
just was not sure if it's the right way to go.


From: Ted Dunning []
Sent: Monday, August 18, 2014 6:22 PM
To: Commons Users List
Subject: Re: Correlation coefficient

On Mon, Aug 18, 2014 at 1:15 AM, Bobic, Tamara <> wrote:

> However, I realized that I should be using a special variant of Pearson if
> one of the variables is nominal - Point Biserial correlation coefficient.

Doesn't this just work if you build a surrogate for the dichotomous
variable with values 0 and 1?

(I would think that there are generally better options for this like
Kolmogorov-Smirnov tests)

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