https://www.coursera.org/learn/scala-spark-big-data/home/welcome
coursera - Big Data Analysis with Scala and Spark - week 1 - wikipedia analysis
You also need to download the data (133 MB):
http://alaska.epfl.ch/~dockermoocs/bigdata/wikipedia.dat
and place it in the folder: src/main/resources/wikipedia in your project directory.
Assignment description is at https://www.coursera.org/learn/scala-spark-big-data/programming/CfQX2/wikipedia
Scored 10/10