[SciPy-Dev] bad formula for chi-squared probability density function

[Warren Weckesser]

On Sun, Apr 1, 2018 at 11:12 PM, Phillip Feldman <
phillip.m.feldman at gmail.com> wrote:

> In the following page, the formula for the chi-squared density is
> incorrect:
>
> https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.chi2.html
> (See the Wikipedia page at https://en.wikipedia.org/wiki/
> Chi-squared_distribution#Probability_density_function for the correct
> expression).
>
>

Thanks, Phillip, that looks like a typesetting problem.  There is an
extraneous opening parenthesis before the 2 in the denominator, and that
lower-case gamma should be upper-case--it is the Gamma function.

Warren


Phillip
>
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