An Ensemble Learning for Predicting Breakdown Field Strength of Polyimide Nanocomposite Films

Figure 3

The impacts of variation of penalty factor () on prediction performance. (a) The correlation coefficient with different penalty factors (); (b) the mean absolute error with different penalty factors (); (c) the mean absolute error with different penalty factors (); (d) the root mean squared error with different penalty factors (); (e) the root relative squared error with different penalty factor ().

(a)

(b)

(c)

(d)

(e)