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f1 score is defined as F1 = 2 * (precision * recall) / (precision + recall) However if true positives are zero, this gives 0/0. How to deal with this scenario?

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  • $\begingroup$ Welcome to Cross Validated. I hope that link helps. If not, please edit your question and we'll do our best to help! $\endgroup$ Apr 22, 2016 at 18:57

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