Abstract | ||
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In this note, I study how the precision of a binary classifier depends on the ratio r of positive to negative cases in the test set, as well as the classifier's true and false-positive rates. This relationship allows prediction of how the precision-recall curve will change with r, which seems not to be well known. It also allows prediction of how F-beta and the precision gain and recall gain measures of Flach and Kull (2015) vary with r. |
Year | DOI | Venue |
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2021 | 10.1162/neco_a_01362 | NEURAL COMPUTATION |
DocType | Volume | Issue |
Journal | 33 | 4 |
ISSN | Citations | PageRank |
0899-7667 | 1 | 0.41 |
References | Authors | |
0 | 1 |
Name | Order | Citations | PageRank |
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Christopher K. I. Williams | 1 | 6807 | 631.16 |