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. 2021 Jan 19;9:17787–17802. doi: 10.1109/ACCESS.2021.3052835

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This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

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FIGURE 4. — Relationship between training accuracy of HHO-FKNN with FS, HHO-FKNN without FS, GWO-FKNN with FS, and GWO-FKNN without FS and the number of iterations.