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Why can precision be useful in spam detection?

Answer and explanation

Correct answer: So normal messages are not wrongly marked as spam

Precision measures how many messages predicted as spam are actually spam. High precision means fewer false positives, reducing the chance that legitimate messages are incorrectly moved to the spam folder. Options B, C, and D are not purposes of precision. Exam tip: precision focuses on the correctness of predicted positive cases.

Related tags

PrecisionSpam DetectionModel EvaluationFalse PositivesClassification Metrics

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