shapiro.test(Ozone1)
lnOzone1=log(Ozone1)
shapiro.test(lnOzone1)
ozone.lm=lm(lnOzone1~ensolei+vent+temp)
print(summary(ozone.lm))

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        Shapiro-Wilk normality test

data:  Ozone1 
W = 0.8754, p-value = 2.222e-08

.....................................................................................

        Shapiro-Wilk normality test

data:  lnOzone1 
W = 0.9841, p-value = 0.1905

.........................................................................................

Call:
lm(formula = lnOzone1 ~ ensolei + vent + temp)

Residuals:
      Min        1Q    Median        3Q       Max 
-1.020332 -0.315039 -0.009422  0.322965  1.122300 

Coefficients:
              Estimate Std. Error t value Pr(>|t|)    
(Intercept)  0.2614362  0.5204961   0.502    0.617    
ensolei      0.0021904  0.0005156   4.248 4.65e-05 ***
vent        -0.0692829  0.0145135  -4.774 5.82e-06 ***
temp         0.0444569  0.0056785   7.829 3.95e-12 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 

Residual standard error: 0.4666 on 106 degrees of freedom
  (42 observations deleted due to missingness)
Multiple R-squared: 0.6736,     Adjusted R-squared: 0.6643 
F-statistic: 72.91 on 3 and 106 DF,  p-value: < 2.2e-16