replace concat by group by target in encoders - #500
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Could you have a look at this PR, it is small, and let me know if you think there is a better or more performant implementation to capture these encodings? I will greatly appreciate that :) |
glevv
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Aug 17, 2022
| temp["non_target"] = np.where(temp["target"] == 1, 0, 1) | ||
| total_pos = y.sum() | ||
| total_neg = len(y) - total_pos | ||
| inverse_y = y.map({1: 0, 0:1}).copy() |
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total_pos = y.sum()
inverse_y = y.ne(1).copy() or inverse_y = ~y.astype(bool).copy()
total_neg = inverse_y.sum()
should be faster
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Thank you @glevv
I also replaced the previous mapping by scaling :)
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more elegant, simpler and, above all, faster implementation.
closes #427