Forecasting the Friction Coefficient of Rubbing Zirconia Ceramics by Titanium Alloy

Table 12

Evaluation metric scores of the proposed models for experiment-III.

Mode	Training minutes	Forecast	MAE	MSE	RMSE	POCID; %
ARIMA	0.5	0.25
	0.5	1.0
	1.0	0.5
	1.0	2.0
GRU-DNN	0.5	0.25
	0.5	1.0
	1.0	0.5
	1.0	2.0

Bold values indicate best results achieved for each experiment.