The following object(s) are masked from a ( position 3 ) :

	 difftemp dirvent heure jour lognbcar logNO2 temp vitvent 


Call:
lm(formula = logNO2 ~ lognbcar + temp + vitvent + difftemp)

Residuals:
     Min       1Q   Median       3Q      Max 
-2.12141 -0.34341  0.02362  0.35790  1.88176 

Coefficients:
             Estimate Std. Error t value Pr(>|t|)    
(Intercept)  1.102396   0.168233   6.553 1.42e-10 ***
lognbcar     0.430200   0.023183  18.557  < 2e-16 ***
temp        -0.019349   0.004079  -4.744 2.75e-06 ***
vitvent     -0.133237   0.014050  -9.483  < 2e-16 ***
difftemp     0.131236   0.025633   5.120 4.39e-07 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 

Residual standard error: 0.5414 on 495 degrees of freedom
Multiple R-squared: 0.4839,	Adjusted R-squared: 0.4798 
F-statistic:   116 on 4 and 495 DF,  p-value: < 2.2e-16