. 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 4.

Classification accuracies for direct four-class classification when synchrony features are omitted

Classifier	Feature selection	Accuracy
K-nearest neighbors	Stepwise	46.9%
K-nearest neighbors	Chi-square	45.3%
Linear discriminant analysis	Stepwise	51.6%
Linear discriminant analysis	Chi-square	43.8%
Random forest	Stepwise	37.5%
Random forest	Chi-square	62.5%