Implications of resampling data to address the class imbalance problem (IRCIP): an evaluation of impact on performance between classification algorithms in medical data
JAMIA Open2023Vol. 6(2), pp. ooad033–ooad033
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Koen Welvaars, Jacobien H. F. Oosterhoff, Michel P. J. van den Bekerom, Job N. Doornberg, Ernst P. van Haarst, Jill A. van der Zee, G A van Andel, Brunolf W. Lagerveld, Marina C. Hovius, Paul C. Kauer, Liselotte M.S. Boevé, A van der Kuit, Wouter H. Mallee, Rudolf W. Poolman
Abstract
Resampling data resulted in increased performances in classification algorithms, yet produced an overestimation of positive predictions. Based on the findings from our case study, a thoughtful predefinition of the clinical prediction task may guide the use of resampling techniques in future studies aiming to improve clinical decision support tools.
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