Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02306 -0.02305 -0.01074  0.00134  0.46155 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.023064   0.002089  11.042 < 0.0000000000000002 ***
xYes        -0.012549   0.003931  -3.192              0.00147 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.04722 on 710 degrees of freedom
Multiple R-squared:  0.01415,	Adjusted R-squared:  0.01276 
F-statistic: 10.19 on 1 and 710 DF,  p-value: 0.001475