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

Table 3

Comparison on prediction performances of three kernel functions.

Indicators	Normalized polynomial	Polynomial	RBF
Correlation coefficient	0.9603	0.9236	0.8901
Mean absolute error	16.8162	23.5927	29.6448
Root mean squared error	21.2266	29.2044	34.7791
Relative absolute error	26.255%	36.8351%	46.2842%
Root relative squared error	26.9779%	37.1173%	44.2024%