Project

pandas

0.04
There's a lot of open issues
Pandas wrapper for Ruby
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
 Project Readme

Pandas wrapper for Ruby

CI

This library enables to directry call pandas from Ruby language. This uses pycall.

Installation

Add this line to your application's Gemfile:

gem 'pandas'

And then execute:

$ bundle

Or install it yourself as:

$ gem install pandas

Usage

Example usage:

require 'pandas'
df = Pandas.read_csv('data/titanic.csv')

puts df.groupby(:Sex)[:Survived].describe
#         count      mean       std  min  25%  50%  75%  max
# Sex
# female  314.0  0.742038  0.438211  0.0  0.0  1.0  1.0  1.0
# male    573.0  0.190227  0.392823  0.0  0.0  0.0  0.0  1.0

puts df.groupby(:Sex)[:Age].describe
#         count       mean        std   min   25%   50%   75%   max
# Sex
# female  314.0  27.719745  13.834740  0.75  18.0  27.0  36.0  63.0
# male    573.0  30.431361  14.197273  0.42  21.0  28.0  38.0  80.0

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/mrkn/pandas.rb.

License

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