RockScience RockScience - 8 days ago 5
R Question

knitr::kable is there a way to reduce the font size?

I am using this code chunk

```{r, echo = FALSE}
knitr::kable(df)
```


However I would like to reduce the size of all font inside this table so that the output looks nicer. Is there a way to do that with kable or is there another package which supports it?

Answer

When you are happy with a global setting, use css on .table. To set it for one table, the only method I am aware of uses a div. Both methods cannot be used for latex etc, but the global method looks cleaner to me, because formating is delegated to a separate css.

---
title: "Small kable"
output: 
  html_document:
    css: kable.css

---

# Global setting

```{r}
library(knitr)
kable(iris[1:5,])
```


# Local setting, not portable
<div class="verysmall">

```{r}
kable(iris[1:5,])
```

</div>

CSS File

.table{
  width:auto;
  font-size: 12px;
}

.verysmall .table{
  font-size: 8px;
}

I also use auto-formatting for kable-tables in most cases.