Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03628 -0.03620 -0.01602  0.01886  0.27306 

Coefficients:
             Estimate Std. Error t value            Pr(>|t|)    
(Intercept)  0.036278   0.002026  17.909 <0.0000000000000002 ***
xYes        -0.001529   0.003829  -0.399                0.69    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.04584 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.0002249,	Adjusted R-squared:  -0.001185 
F-statistic: 0.1595 on 1 and 709 DF,  p-value: 0.6897