Modeling the Short-Term Effect of Traffic and Meteorology on Air Pollution in Turin with Generalized Additive Models

Table 3

Coefficients of the parametric part of the additive model for NO₂ (bold indicates 5% significance).

	Est.	Std. Er.
(Interc.)	4.157781	0.008705
Mon.	0.131553	0.008831
Tue.	0.122523	0.013177
Wed.	0.108691	0.015761
Thu.	0.112780	0.015928
Fri.	0.112615	0.013356
Sat.	0.072378	0.008766