Fig. 4From: Fuzzy identification of bioactive components for different efficacies of rhubarb by the back propagation neural network association analysis of UPLC-Q-TOF/MSE and integrated effectsRelative errors between the predicted and true values of 90% EW-L (A), ethanol-S (B) and ethanol-L (C) groups influenced by 1, 2 and 3 hidden layersBack to article page