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. Author manuscript; available in PMC: 2024 Oct 1.
Published in final edited form as: IEEE Trans Affect Comput. 2023 Jan 12;14(4):3388–3395. doi: 10.1109/TAFFC.2023.3236265

TABLE 5.

Classification accuracies for 2-stage classification using stepwise feature selection when synchrony features are omitted

Stage 1 classifier Stage 2 classifier Accuracy
K-nearest neighbors K-nearest neighbors 42.2%
Linear discriminant 51.6%
Random forest 45.3%
Linear discriminant analysis K-nearest neighbors 65.6%
Linear discriminant 64.1%
Random forest 53.1%
Random forest K-nearest neighbors 23.4%
Linear discriminant 29.7%
Random forest 21.8%