Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02419 -0.02181 -0.01055  0.00304  0.53546 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.024186   0.001913  12.641 < 0.0000000000000002 ***
xYes        -0.013536   0.003617  -3.743             0.000197 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.04329 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.01937,	Adjusted R-squared:  0.01799 
F-statistic: 14.01 on 1 and 709 DF,  p-value: 0.0001969