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Data Analytics MCQs

In data mining, which of the following options is correct about the F-score measure for text retrieval?

F-score = recall - precision + (recall x precision) / 9

F-score = recall + precision - (recall x precision) I 7

F-score = recall x precision / (recall + precision) / 2

F-score = recall I precision x (recall - precision) / 5

Answer

Correct Answer: F-score = recall x precision / (recall + precision) / 2

Explanation:

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