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Artificial Intelligence in Health                                  Predicting mortality in COVID-19 using ML























              Figure 14. Attribute importance ranking of “MLPClassifier” and “KNeighborsClassifier” methods. Image created using Python’s Matplotlib library

            A                                                 B


































               Figure 15. SHAP summary plots of the “MLPClassifier” method. (A) Barchart. (B) Beeswarm. Image created using Python’s Matplotlib library

            0 – 100 and 0 – 1000 (mm_0 – 100 and mm_0 – 1000,   with the first set of optimized (opt-01) hyperparameter
            respectively), and used 22 attributes with either the   values.
            first or the second sets of optimized (opt-01 and opt-02,
            respectively) hyperparameter values.                 K-nearest neighbor models ranked fifth, with precision
                                                               scores  ranging  from  91.54%  (304   position)  to 92.85%
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              In the fourth place were the DT models, with     (142   position). The highest-scoring KNN models used
                                                                  nd
            precision scores ranging from 90.09% (324  position)   datasets processed with the “StandardScaler” method (std),
                                                 th
            to 93.04% (127   position). The highest-scoring DT   used either 22 or 15 attributes, and employed the first set of
                          th
            models handled datasets that were either not processed   optimized (opt-01) hyperparameter values.
            with any normalization method (none) or processed
            with the “Min–Max” method, with a range of 0 – 1000   Finally, the LR models showed precision values ranging
            (mm_0  –  1000),  and  used  either  22  or  15  attributes   from 92.32% (267  position) to 92.63% (169  position).
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            Volume 1 Issue 3 (2024)                         43                               doi: 10.36922/aih.2591
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