. Author manuscript; available in PMC: 2020 Dec 2.

Published in final edited form as: Atmos Chem Phys. 2020 Jul 2;20(13):7645–7665. doi: 10.5194/acp-20-7645-2020

Table 6.

Comparison of regressions containing $NSS - {SO}_{4}^{2 -}$ , Na, and Ox.

	Predictors (P_i) and their respective coefficients (a_i)
No. of Predictors	a₀	a₁	P₁	a₂	P₂	a₃	P₃	$R_{adj}^{2}$
1	2.13	0.28	${NSS-SO}_{4}^{2 -}$					0.29
2	2.12	0.23	${NSS-SO}_{4}^{2 -}$	0.12	Na			0.40
	2.26	0.24	${NSS-SO}_{4}^{2 -}$	0.12	Ox			0.34
3	2.22	0.22	${NSS-SO}_{4}^{2 -}$	0.10	Na	0.08	Ox	0.42