Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -0.10113 -0.04920 -0.00147 0.02838 0.21252 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.001486 0.011239 0.132 0.895 xNA -0.001470 0.071084 -0.021 0.984 xnon-Annex I 0.099655 0.013097 7.609 0.00000000000313 *** --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 Residual standard error: 0.07019 on 146 degrees of freedom Multiple R-squared: 0.2879, Adjusted R-squared: 0.2782 F-statistic: 29.51 on 2 and 146 DF, p-value: 0.00000000001719