### Fixing typos

Small typos or grammatical errors in documentation may be edited directly using the GitHub web interface, so long as the changes are made in the source file.

• YES: you edit a roxygen comment in a .R file below R/.
• NO: you edit an .Rd file below man/.

### Prerequisites

Before you make a substantial pull request, you should always file an issue and make sure someone from the team agrees that it’s a problem. If you’ve found a bug, create an associated issue and illustrate the bug with a minimal reprex.

### Pull request process

• We recommend that you create a Git branch for each pull request (PR).
• Look at the Travis and CodeCovr build status before and after making changes.
• We use camelCase for variable names, and TitleCase for function names.
• We use the Oxford ending of ‘ize’ (not ‘ise’), and UK spelling (e.g. ‘colour’) where it is not possible to avoid the distinction (e.g. by shortening to ‘col’)
• We use roxygen2.
• We use testthat. Contributions with test cases included are easier to accept.
• For user-facing changes, add a bullet to the top of NEWS.md below the current development version header describing the changes made followed by your GitHub username, and links to relevant issue(s)/PR(s).
• We seek to recognize all contributions, however small; contributors are encouraged to add their details in DESCRIPTION with role = 'ctb'.

### Code of Conduct

Please note that the project is released with a Contributor Code of Conduct. By contributing to this project you agree to abide by its terms.

### Prefer to Email?

Email the person listed as maintainer in the DESCRIPTION file of this repo.

Though note that private discussions over email don’t help others - of course email is totally warranted if it’s a sensitive problem of any kind.

### Thanks for contributing!

This contributing guide is adapted from the tidyverse contributing guide available at https://raw.githubusercontent.com/r-lib/usethis/master/inst/templates/tidy-contributing.md