. 2025 Oct 14;13:e73408. doi: 10.2196/73408

Table 7. Test set results of the top 5 ensemble model combinations from the training set for predicting PSI^a scores of children with ADHD^b.

Combination	Test set
	RMSE^c	MAE^d	MAPE^e (%)
[AdaBoost, Elastic Net]	10.089	7.126	6.946
[AdaBoost, Elastic Net, SVR^f]	10.072	6.798	6.611
[Random forest, Elastic Net]	10.432	7.788	7.578
[Random forest, AdaBoost, Elastic Net, SVR]	10.384	7.411	7.272
[Random forest, Elastic Net, SVR]	10.203	7.202	7.035

PSI; processing speed index.

ADHD: attention-deficit/hyperactivity disorder.

RMSE: root mean squared error.

MAE: mean absolute error.

MAPE: mean absolute percentage error.

SVR: support vector regression.

Table 7. Test set results of the top 5 ensemble model combinations from the training set for predicting PSIa scores of children with ADHDb.