--- title: "Tables" output: html_document --- By default, R Markdown displays data frame and matrix output as it would appear at the command line: ```{r echo = FALSE} mtcars[1:5, ] ``` Format the output as a table with knitr's `kable` function: ```{r echo = FALSE, results = 'asis'} library(knitr) kable(mtcars[1:5, ], caption = "A knitr kable.") ```