r4ds/list-columns.Rmd

# List columns

```{r, results = "asis", echo = FALSE}
status("drafting")
```

## Introduction

<!--# TO DO: Write introduction. -->

### Prerequisites

In this chapter we'll continue using tidyr, which also provides a bunch of tools to rectangle your datasets.
tidyr is a member of the core tidyverse.

```{r setup, message = FALSE}
library(tidyverse)
```

<!--# TO DO: Write chapter around unnest, hoist, etc. -->