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false negative

   Also found in: Dictionary/thesaurus, Medical, Legal, Acronyms, Wikipedia, Hutchinson 0.03 sec.

false negative

The erroneous identification of a benign condition that turns out to be harmful. Contrast with false positive.



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One of the headaches caused by spam-fighting programs is false negatives that fail to block spare and false positives, where the software labels a legitimate e-mail as advertising.
False positive and false negative identifications are common, particularly for spectra collected under realistically harsh field conditions.
where we weight the false negative error as twice as bad as the lack of specificity.
 
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