# Contributing

Contributions are welcome, and they are greatly appreciated! Every little bit helps, and credit will always be given.

You can contribute in many ways:

## Types of Contributions

### Report Bugs

Report bugs at https://github.com/elfsternberg/formulaic/issues.

If you are reporting a bug, please include:

* Your operating system name and version.
* Any details about your local setup that might be helpful in troubleshooting.
* Detailed steps to reproduce the bug.

### Fix Bugs

Look through the GitHub issues for bugs. Anything tagged with "bug"
is open to whoever wants to implement it.

### Implement Features

Look through the GitHub issues for features. Anything tagged with "feature"
is open to whoever wants to implement it.

### Write Documentation

formulaic could always use more documentation, whether as part of the
official formulaic docs, in docstrings, or even on the web in blog posts,
articles, and such.

### Submit Feedback

The best way to send feedback is to file an issue at https://github.com/elfsternberg/formulaic/issues.

If you are proposing a feature:

* Explain in detail how it would work.
* Keep the scope as narrow as possible, to make it easier to implement.
* Remember that this is a volunteer-driven project, and that contributions
  are welcome :)

## Get Started!

Ready to contribute? Here's how to set up `formulaic` for local development.

1. Fork the `formulaic` repo on GitHub.
2. Clone your fork locally::

    $ git clone git@github.com:your_name_here/formulaic.git

3. Create a branch for local development::

    $ git checkout -b name-of-your-bugfix-or-feature

   Now you can make your changes locally.

4. When you're done making changes, check that your changes pass the tests::

    $ make test

6. Commit your changes and push your branch to GitHub::

    $ git add .
    $ git commit -m "Your detailed description of your changes."
    $ git push origin name-of-your-bugfix-or-feature

7. Submit a pull request through the GitHub website.

Pull Request Guidelines
-----------------------

Before you submit a pull request, check that it meets these guidelines:

1. The pull request should include tests.
2. If the pull request adds functionality, the docs should be updated. Put
   your new functionality into a function with a docstring, and add the
   feature to the list in README.md.