False Negative Rate (FNR)


The fraction (or Proportion) of Relevant Documents that are Missed (i.e., incorrectly identified as Non-Relevant) by a search or review effort. Note that False Negative Rate + Recall = 100%, and that 100% – Recall = False Negative Rate. 1


  1. Maura R. Grossman and Gordon V. Cormack, EDRM page & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013).
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