Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.01604 -0.01600 -0.00898  0.00261  0.35185 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.016037   0.001235  12.980 < 0.0000000000000002 ***
xYes        -0.007048   0.002335  -3.018              0.00264 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.02796 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.01268,	Adjusted R-squared:  0.01129 
F-statistic: 9.108 on 1 and 709 DF,  p-value: 0.002636