daru

https://github.com/sciruby/daru

Ruby

Data Analysis in RUby

Daru::DataFrame#map!

Destructive map. Modifies the DataFrame. Each run of the block
must return a Daru::Vector. You can specify the axis to map over
as the argument. Default to :vector.

== Arguments

* +axis+ - The axis to map over. Can be :vector (or :column) or :row.
Default to :vector.

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-map--for-pr

# Commit to git

git add lib/daru/dataframe.rbgit commit -m "better docs for Daru::DataFrame#map!"

# 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-map--for-pr

hub pull-request

# Celebrate!