Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02135 -0.02129 -0.01255  0.00452  0.41065 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.021355   0.001640  13.024 < 0.0000000000000002 ***
xYes        -0.008792   0.003086  -2.849              0.00452 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03707 on 710 degrees of freedom
Multiple R-squared:  0.0113,	Adjusted R-squared:  0.009909 
F-statistic: 8.116 on 1 and 710 DF,  p-value: 0.004515