Prediction Model of Corrosion Current Density Induced by Stray Current Based on QPSO-Driven Neural Network

Figure 9

Precision distributions of three algorithms in different training set ratios: (a) 40%; (b) 50%; (c) 60%; (d) 70%; (e) 80%; (f) 90%.

(a)

(b)

(c)

(d)

(e)

(f)