Appl Intell (Dordr) 2022 Mar 31;52(5):4961-4972. Epub 2021 Jul 31.
Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA.
A binary classification problem is common in medical field, and we often use sensitivity, specificity, accuracy, negative and positive predictive values as measures of performance of a binary predictor. In computer science, a classifier is usually evaluated with precision (positive predictive value) and recall (sensitivity). As a single summary measure of a classifier's performance, score, defined as the harmonic mean of precision and recall, is widely used in the context of information retrieval and information extraction evaluation since it possesses favorable characteristics, especially when the prevalence is low. Read More