Statistics

Overview

This gem adds Data Capture object allowing the user to add numbers and returns an object for querying statistics about the inputs. Specifically, the returned object supports querying how many numbers in the collection are like

• less than a value.
• greater than a value.
• between a range.

Installation

Add this line to your application's Gemfile:

gem 'statistics', git: "https://github.com/edgarv09/statistics.git", branch: :main

And then execute:

$ bundle

Or install it yourself as:

$ gem install  --source https://github.com/edgarv09/statistics.git statistics

Usage

Require Statistics module and the class DataCapture would be available to store the numbers and being able to querying the statistics about the input

require 'statistics'

capture = DataCapture.new
capture.add 3
#=> [3]
capture.add 9
#=> [3, 9]
capture.add 3
#=> [3, 9, 3]
capture.add 4
#=> [3, 9, 3, 4]
capture.add 6
#=> [3, 9, 3, 4, 6]
stats = capture.build_stats()
stats.less(4)
#=> 2
stats.between(3, 6)
#=> 4
stats.greater(4)
#=> 2

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also 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, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/edgarv09/statistics.

License

Edgar Villamarin (edgarv.uribe@hotmail.com)

The gem is available as open source under the terms of the MIT License.