Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02721 -0.02445 -0.01328  0.01065  0.17839 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.027207   0.001480  18.383 < 0.0000000000000002 ***
xYes        -0.011401   0.002797  -4.075            0.0000511 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03349 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.02289,	Adjusted R-squared:  0.02151 
F-statistic: 16.61 on 1 and 709 DF,  p-value: 0.00005114