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. 2021 Feb 16;31(2):509–524. doi: 10.1002/ima.22558

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© 2021 Wiley Periodicals LLC.

This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

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Overall and test confusion matrices for each fold in COVID‐19 detection with the proposed model: A, Balanced distribution, and, B, Unbalanced distribution [Color figure can be viewed at wileyonlinelibrary.com]