Developing Machine Learning Techniques to Investigate the Impact of Air Quality Indices on Tadawul Exchange Index

Table 5

Coefficients of the linear regression.

		Unstandardized Coefficients		Standardized coefficients			Collinearity Statistics
Model		B	std. error	Beta	t	Sig.	tolerance	VIF
1	(Constant)	−4244019	189,007		−22.45	0.00
	PM10	−30.87	9.62	−0.23	−3.21	0.00	0.20	4.96
	O3	9.05	7.17	0.07	1.26	0.21	0.36	2.74
	NO2	43.42	18.82	0.09	2.31	0.02	0.62	1.61
	SO2	−62.05	52.78	−0.04	−1.18	0.24	0.79	1.27
	CO	68.20	12.57	0.24	5.42	0.00	0.55	1.81
	AQI	21.38	12.23	0.15	1.75	0.08	0.15	6.65
	Month	211.95	19.29	0.45	10.99	0.00	0.62	1.62
	Day	11.09	5.37	0.07	2.06	0.04	0.95	1.05
	Year	2103.86	93.49	1.13	22.50	0.00	0.41	2.43