Artificial intelligence in dentistry: Harnessing big data to predict oral cancer survival

Table 4 Machine learning model performance

Performance indicators	Linear regression	Decision tree	Random forest	XGBoost
MSE	647.49	538.30	489.58	486.55
RMSE	25.45	23.20	22.13	22.06
MAE	18.21	14.45	13.63	13.55
R2 score	0.620	0.681	0.709	0.711
Adjusted R2 score	0.620	0.681	0.709	0.711

XGBoost: Extreme gradient boosting; MSE: Mean squared error; RMSE: Root mean squared error; MAE: Mean absolute error.