r4ds/column-wise.Rmd

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# Column-wise operations {#column-wise}
2021-05-04 21:10:39 +08:00
```{r, results = "asis", echo = FALSE}
status("drafting")
```
## Introduction
<!--# TO DO: Write introduction. -->
### Prerequisites
In this chapter we'll continue using dplyr.
dplyr is a member of the core tidyverse.
```{r setup, message = FALSE}
library(tidyverse)
```
<!--# TO DO: Write chapter around across, etc. -->