r4ds/column-wise.Rmd

# Column-wise operations {#column-wise}

```{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. -->
Data transformation (#940) * Minor edit + link to style guide * Fix reference * If you don't know order of operations, not clear * Alt text + minor edits * Add median and fix reference * Move up mult groups up to discuss summarise msg * Go over grouping again * Part rename * Chapter rename * Clean up section labels to avoid dups * Update comment * Switch part order * Move columnwise to transform 2021-03-29 21:58:27 +08:00			`# Column-wise operations {#column-wise}`
Restructure wrangle, add stubs for new chapters 2021-02-22 08:22:15 +08:00
Add chapter status 2021-05-04 21:10:39 +08:00			```{r, results = "asis", echo = FALSE}
			`status("drafting")`
			```

Restructure wrangle, add stubs for new chapters 2021-02-22 08:22:15 +08:00			`## 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. -->`