Table 7.

Metric analysis for data preprocessing methods (shuffled/sequential—5 min sampling interval condition).

Dataset Ratio	Metric	Shuffled					Sequential
		PM Only		PM+Humidity+Temp			PM Only		PM+Humidity+Temp
		Raw	LR	MLR	MLP	SMART	Raw	LR	MLR	MLP	SMART
70%/30%	MAE	15.68	4.25	3.98	3.65	3.29	8.92	3.54	3.60	3.60	3.32
	MSE	563.90	33.45	29.61	25.27	21.80	182.31	21.99	22.49	23.70	21.56
	R${}^2$	0.41	0.82	0.84	0.83	0.89	0.47	0.66	0.66	0.58	0.61
80%/20%	MAE	15.87	4.28	4.00	3.52	3.32	9.06	3.36	2.91	2.97	2.79
	MSE	573.23	33.79	29.90	23.88	22.06	196.35	18.70	14.84	15.20	14.02
	R${}^2$	0.41	0.82	0.84	0.86	0.89	0.41	0.71	0.76	0.66	0.76
90%/10%	MAE	15.8	4.34	4.06	3.47	3.23	11.67	3.62	2.86	2.84	2.80
	MSE	570.1	34.80	30.76	22.70	20.85	311.90	21.31	14.73	15.06	14.05
	R${}^2$	0.42	0.81	0.84	0.87	0.90	0.33	0.76	0.83	0.82	0.82
95%/5%	MAE	15.44	4.40	4.09	3.64	3.35	10.07	3.63	2.83	3.19	2.74
	MSE	549.64	36.53	31.96	24.63	22.48	194.54	19.44	13.34	15.92	12.75
	R${}^2$	0.42	0.80	0.83	0.86	0.88	0.18	0.57	0.72	0.60	0.74