weighted_sample

This gem add Enumerable#weighted_sample_by method.

Add this line to your application's Gemfile:

gem 'weighted_sample'

And then execute:

$ bundle

Or install it yourself as:

$ gem install weighted_sample

[1, 9].weighted_sample_by {|x| x}
#=> 9(90%) or 1(10%)

• Weight is zero or positive Integer(Negative or Float is not allowed).
• Sum of weights should > 0

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request