Research Article

Development and Internal Validation of Machine Learning Algorithms for Determining Sodium Valproate Concentrations below the Standard Level Using a Risk Prediction Model of Children with Epilepsy

Figure 3

Random forest (RF) model establishment. (a) The relationship between the number of decision trees and the model error. The x-axis represents the number of decision trees, and the y-axis represents the error rate of the established model. (b) The importance of the 30 variables based on the RF model.
(a)
(b)