To understand precision and recall, it is important to know about False positives(FP) : mail was NOT a SPAM but it WAS LABELLED as spam False negatives(FN): mail WAS a SPAM but was NOT LABELLED as spam True positives(TP): mail WAS a SPAM and also LABELLED as spam True negatives(TN): mail was NOT a SPAM and also LABELLED as…
What would you care more about – precision or recall for spam filtering problem?
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