```{r xtable, results="asis"}
n <- 100
x <- rnorm(n)
y <- 2*x + rnorm(n)
out <- lm(y ~ x)
library(xtable)
tab <- xtable(summary(out)$coef, digits=c(0, 2, 2, 1, 2))
print(tab, type="html")
```