[scikit-learn] Fairness Metrics

[Feldman, Joshua]

Hi,

I was wondering if there's any interest in adding fairness metrics to
sklearn. Specifically, I was thinking of implementing the metrics described
here:

https://dsapp.uchicago.edu/projects/aequitas/

I recognize that these metrics are extremely simple to calculate, but given
that sklearn is the standard machine learning package in python, I think it
would be very powerful to explicitly include algorithmic fairness - it
would make these methods more accessible and, as a matter of principle,
demonstrate that ethics is part of ML and not an afterthought. I would love
to hear the groups' thoughts and if there's interest in such a feature.

Thanks!

Josh
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