Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.023304 -0.023242 -0.007759  0.003042  0.194385 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.023305   0.001510  15.432 < 0.0000000000000002 ***
xYes        -0.015542   0.002646  -5.875         0.0000000065 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03309 on 710 degrees of freedom
Multiple R-squared:  0.04636,	Adjusted R-squared:  0.04501 
F-statistic: 34.51 on 1 and 710 DF,  p-value: 0.000000006505