Table 4.

Comparison with previous studies.

Approach	RMSE	MAPE	MAE	${\mathit{R}}^2$	±10%
	(min)	(%)	(min)		(%)
Linear Regression [18]	48.64	n/a	31.3	n/a	n/a
Ref. XGBoost [20]	n/a	27	n/a	0.77	32
Ref. Random Forest [20]	n/a	39	n/a	0.93	23
XGBoost-HY [21]	36.64	35.16	21.52	n/a	n/a
XGBoost-SH [21]	40.26	35.11	25.23	n/a	n/a
XGBoost - Department Specific (w)	31.60	28	18.71	0.71	27
Random Forest - Department Specific (w)	31.98	27	19.15	0.69	27
ANN - All inclusive	47.6	45	20.14	0.64	26
1-d CNN - All inclusive	48.6	47	28.77	0.65	17