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... scikit metrics.


If you're going to use optimise a model in scikit-learn then it better optimise towards the right thing. This means that you have to understand metrics in scikit-learn. This series of videos will give an overview in how they work, how you can create your own and how the gridsearch interacts with it.


Notes

Here's the code to inspect make_scorer.

def min_recall_precision(y_true, y_pred):
    recall = recall_score(y_true, y_pred)
    precision = precision_score(y_true, y_pred)
    return min(recall, precision)

?make_scorer

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