Once you're familar with 'Novice', try this 'Novice+' course. Here you will have the opportunity to practice your skills, and extend with some more

Once you're comfortable with the basics of Data Wrangling, this challenge is for you!

By merging two different data sets together, exciting new stories can emerge.

This course gives you the opportunity to practice the skills you've already acquired, and adds an extra dimension with some basic data mashing.