knitr::opts_chunk$set(echo = TRUE)
df <- data.frame(a=runif(10), b=runif(10), c=runif(10))
colnames(df) <- c("$\\alpha$", "$\\hat{\\beta}$", "$\\sqrt{\\gamma_\\sigma}$")
knitr::kable(df, digits=c(2,3,4), caption = "My example of building tables easier")