An Efficient Approach for Real-Time Prediction of Rate of Penetration in Offshore Drilling

Table 4

The calculated performance indicators for ANN, ELM, and USA model.

Data set	Performance indicator	ANN	ELM	USA
Training	RMSE	1.51	0.95	0.78
	MAE	7.5	4.2	2.1
	VAF	96.88	100	100
		0.91	0.93	0.98
Testing	RMSE	3.56	3.11	2.76
	MAE	12.7	9.7	7.65
	VAF	91.88	92.82	94.52
		0.90	0.92	0.94