Table A6.

Metric analysis for data preprocessing methods (shuffled - hourly/sequential - daily).

Dataset Ratio	Metric	Shuffled - Hourly					Shuffled - Daily
		PM Only		PM+Humidity+Temp			PM Only		PM+Humidity+Temp
		Raw	LR	MLR	MLP	SMART	Raw	LR	MLR	MLP	SMART
70%/30%	MAE	14.71	4.33	3.99	3.65	3.57	15.64	4.38	4.01	3.56	3.68
	MSE	527.41	36.04	30.72	26.82	26.09	580.05	34.34	29.20	23.94	28.73
	R${}^2$	0.46	0.80	0.83	0.84	0.87	0.44	0.82	0.86	0.89	0.88
80%/20%	MAE	14.09	4.27	3.92	3.60	3.54	16.86	4.55	4.25	3.57	3.76
	MSE	490.61	35.77	30.27	25.82	25.81	694.70	38.76	33.49	24.39	30.03
	R${}^2$	0.46	0.79	0.83	0.85	0.87	0.41	0.83	0.86	0.89	0.88
90%/10%	MAE	14.14	3.92	3.75	3.45	3.41	18.99	4.85	4.48	3.85	3.77
	MSE	535.50	29.96	26.73	25.21	25.09	842.96	44.03	36.97	26.19	26.88
	R${}^2$	0.44	0.84	0.86	0.88	0.88	0.39	0.84	0.87	0.90	0.90
95%/5%	MAE	14.88	4.02	3.90	3.66	3.71	14.97	5.39	4.87	4.75	4.99
	MSE	607.20	33.97	31.75	29.25	30.89	605.08	62.87	51.22	46.65	63.89
	R${}^2$	0.39	0.82	0.83	0.84	0.85	0.51	0.73	0.79	0.79	0.69