Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03660 -0.03650 -0.01555  0.01886  0.27274 

Coefficients:
             Estimate Std. Error t value            Pr(>|t|)    
(Intercept)  0.036596   0.002032  18.013 <0.0000000000000002 ***
xYes        -0.002192   0.003824  -0.573               0.567    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.04593 on 710 degrees of freedom
Multiple R-squared:  0.0004625,	Adjusted R-squared:  -0.0009453 
F-statistic: 0.3285 on 1 and 710 DF,  p-value: 0.5667