Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02693 -0.01198 -0.01193  0.00217  0.43245 

Coefficients:
            Estimate Std. Error t value            Pr(>|t|)    
(Intercept) 0.011984   0.001467   8.170 0.00000000000000142 ***
xYes        0.014942   0.002761   5.412 0.00000008540932327 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03316 on 710 degrees of freedom
Multiple R-squared:  0.03962,	Adjusted R-squared:  0.03826 
F-statistic: 29.29 on 1 and 710 DF,  p-value: 0.00000008541