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Add more metrics #56
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As per #55 |
Hello @maciejkula , First, thank you very much for implementing Spotlight. I am planning to use Spotlight for my further study. I'd like to contribute by implementing AUC. Here is my plan for implementation with some questions;
Trapezoidal rule: https://docs.scipy.org/doc/numpy/reference/generated/numpy.trapz.html Do you think the plan is ok for implementation? Please let me know your comments. Ref1 - Recommender Systems Handbook 2nd edition - 8.3.2.2 Measuring Usage Prediction ps: we need to hit x=1 and y=1 values, since this metric is generally used to compare multiple algorithms. |
@mkarakaya,
Also, have you considered a confusion matrix or at least F1-score? Good luck! |
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