daru

https://github.com/sciruby/daru

Ruby

Data Analysis in RUby

Daru::DataFrame#join

Join 2 DataFrames with SQL style joins. Currently supports inner, left
outer, right outer and full outer joins.

Source | Google | Stack overflow

Edit

git clone [email protected]:sciruby/daru.git
cd daru
open lib/daru/dataframe.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Daru--DataFrame-join-for-pr

# Commit to git
git add lib/daru/dataframe.rbgit commit -m "better docs for Daru::DataFrame#join"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Daru--DataFrame-join-for-pr
hub pull-request

# Celebrate!