Table 4.

RMSE for compared methods on these three datasets. Bold face indicates the best performance.

Category	Methods	Datasets
		c1	c4	c6
Regression Models	LR	31.1	19.3	30.9
	SVR	18.5	19.6	31.5
	MLP	31.2	20.0	31.4
Recurrent Models	RNN	15.6	19.7	32.9
	Deep RNN	12.5	11.8	22.9
	LSTMs	23.9	20.8	32.4
	Deep LSTMs	12.1	10.2	18.9
	BLSTMs	12.3	14.7	20.8
	Deep BLSTMs	11.5	9.1	18.9
Our Model	CBLSTMs	$\mathbf{10.8}$	$\mathbf{7.1}$	$\mathbf{9.8}$