DataScienceSpecialization/DataScienceSpecialization.github.io — pull request #30 by gabx (2014-09-14 08:54:52+00:00)
Title: Update curated.md with link to article on tidy data published on jstatsoft.org

Hadley Wickam (RStudio) article on tidy data. Published in the Journal of Statistical Software, Vol. 59, Issue 10, Sep 2014