[AstroPy] Module for outliers

[Susmita Das]

Hello
Below is a plot of Magnitude vs Phase made in IDL using "goodpoly.pro"
where it takes magnitude, phase and sigma to remove outliers.
I am now trying to shift to Python and would like to know:

* If there exists a Module which would remove the outliers in magnitudes as
a function of phase, i.e. for a smaller phase bins, remove N*sigma outliers
in the magnitude. And perform it recursively until all outliers are removed.

* I guess If I use the sigma_clip module on magnitude array only, it will
remove all points beyond abs(mean - 3.0*sigma), not necessarily removing
the outliers.

Thank you for your help in advance
Regards
Susmita Das
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