Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02101 -0.02094 -0.01341  0.00458  0.41099 

Coefficients:
             Estimate Std. Error t value            Pr(>|t|)    
(Intercept)  0.021014   0.001642  12.801 <0.0000000000000002 ***
xYes        -0.007587   0.003103  -2.445              0.0147 *  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03714 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.008361,	Adjusted R-squared:  0.006963 
F-statistic: 5.978 on 1 and 709 DF,  p-value: 0.01473