# Rumale::FeatureExtraction

[![Gem Version](https://badge.fury.io/rb/rumale-feature_extraction.svg)](https://badge.fury.io/rb/rumale-feature_extraction)
[![BSD 3-Clause License](https://img.shields.io/badge/License-BSD%203--Clause-orange.svg)](https://github.com/yoshoku/rumale/blob/main/rumale-feature_extraction/LICENSE.txt)
[![Documentation](https://img.shields.io/badge/api-reference-blue.svg)](https://yoshoku.github.io/rumale/doc/Rumale/FeatureExtraction.html)

Rumale is a machine learning library in Ruby.
Rumale::FeatureExtraction provides feature extraction methods,
such as TF-IDF and feature hashing,
with Rumale interface.

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'rumale-feature_extraction'
```

And then execute:

    $ bundle install

Or install it yourself as:

    $ gem install rumale-feature_extraction

## Documentation

- [Rumale API Documentation - FeatureExtraction](https://yoshoku.github.io/rumale/doc/Rumale/FeatureExtraction.html)

## License

The gem is available as open source under the terms of the [BSD-3-Clause License](https://opensource.org/licenses/BSD-3-Clause).