Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02809 -0.02808 -0.02239 -0.00454  0.47036 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.028089   0.002623  10.710 < 0.0000000000000002 ***
xYes        -0.018699   0.004936  -3.788             0.000165 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.05929 on 710 degrees of freedom
Multiple R-squared:  0.01981,	Adjusted R-squared:  0.01843 
F-statistic: 14.35 on 1 and 710 DF,  p-value: 0.0001646