https://github.com/geoffharcourt/moneyball

A parser for MLB Gameday play descriptions
https://github.com/geoffharcourt/moneyball

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A parser for MLB Gameday play descriptions

• Host: GitHub
• URL: https://github.com/geoffharcourt/moneyball
• Owner: geoffharcourt
• License: mit
• Created: 2015-05-14T01:11:09.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2015-05-16T00:44:44.000Z (over 9 years ago)
• Last Synced: 2024-12-10T05:52:48.922Z (about 1 month ago)
• Language: Ruby
• Homepage:
• Size: 152 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md

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# Moneyball

Moneyball parses MLB Gameday's play-by-play information to pull useful

quantitative and qualitative information out of the data feed. Moneyball can

determine where a batted ball was hit, the general classification of the batted

ball, and stat line information from the plate appearance.

## Installation

Add this line to your application's Gemfile:

```ruby

gem 'moneyball'

```

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install moneyball

## Usage

`Moneyball::Parser` takes a Nokogiri XML node.

```ruby

raw_xml = ''

nokogiri_node = Nokogiri::XML(raw_xml).search("atbat").first

stats = Moneyball::Parser.new(nokogiri_node).stats

stats.slice(:pa, :ab, :h, :k) # => { pa: 1, ab: 1, h: 0, k: 1 }

```

`Moneyball::BattedBallLocationExtractor` and `Moneyball::BattedBallTypeExtractor` take a string from the play-by-play summary.

```ruby

summary = "Billy Hamilton hits a fly ball home run (22) to deep center field."

Moneyball::BattedBallTypeExtractor.new(summary).categorize # => "Line drive"

Moneyball::BattedBallLocationExtractor.new(summary).categorize # => "CF"

```

## Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run `bin/console` for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release` to create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).

## Contributing

This is a work in progress! I have been using pieces of this code in private projects, but it's time for the saber community to get a crack at improving this code.

Any contributions should come with tests (we use RSpec) and a well documented PR. If you have a specific event from the Gameday feed that prompted your pull request, please reference it in your PR.

Here's how to contribute!

1. Fork it ( https://github.com/[my-github-username]/moneyball/fork )

2. Create your feature branch (`git checkout -b my-new-feature`)

3. Commit your changes (`git commit -am 'Add some feature'`)

4. Push to the branch (`git push origin my-new-feature`)

5. Create a new Pull Request

## License

Moneyball is © 2015 Geoff Harcourt. It is free software, and may be redistributed under the terms specified in the LICENSE file.