Similar

Similar is a library of functions to assist in determining the similarity of arbitrary sets of data.

Installation

Add this line to your application’s Gemfile:

gem 'similar'

And then execute:

$ bundle

Or install it yourself as:

$ gem install similar

Examples

a = [1, 2, 3]
b = [1, 2, 3]
Similar.pearson_score(a, b)
=> 1.0

a = [1, 2, 3]
b = [1, 2, 5.0]
Similar.pearson_score(a, b)
=> 0.9607689228305226

Contributing

1. Fork it
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 new Pull Request