[SciPy-dev] Bug/Error with chi-squared distribution and df<1

Pauli Virtanen pav@iki...
Tue Sep 22 14:47:30 CDT 2009


ti, 2009-09-22 kello 14:27 -0400, josef.pktd@gmail.com kirjoitti:
[clip]
> Taking the hint with incomplete gamma, the following looks good. This
> would mean until Pauli fixes scipy.special if it your fix works, we
> could also use gammainc directly. I don't know the differences between
> the various implementations well enough to see whether we buy some
> other problems with this

The C function `igam` called by `chdtr` is the same as what is exposed
as `gammainc`.

-- 
Pauli Virtanen





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