Figure 5.

Comparison of ML models. (A) Six ML algorithms for BASFI prediction before standardization. (B) Six ML algorithms previously mentioned for BASFI prediction after standardization. (C) Four ensemble ML algorithms for BASFI prediction after standardization. (D) Six ML algorithms for BASDAI prediction before standardization. (E) Six ML algorithms previously mentioned for BASDAI prediction after standardization. (F) Four ensemble ML algorithms for BASDAI prediction after standardization (LR, Linear Regressor; LASSO, Least Absolute Shrinkage and Selection Operator; EN, Elastic Net; KNN, K Nearest Neighbors; CART, Classification and Regression Trees; SVR, Support Vector Regression; AB, AdaBoost Regressor; GBM, Gradient Boosting Machine Regressor; RF, Random Forest Regressor; ET, Extra Tree Regressor).