GROUP: Elene Kavtaradze and Michael Ludwig
This submission is by Elene Kavtaradze and includes problems 1 and 4.
The whole project is built through SBT
Question One:
Run QuestionOne class, as scala
Question Four:
Run QuestionFour class, as java first, then scala
Matrix Creation is done through Java and stored in /data
Scala part reads files from /data
This Joins the two datasets, groups by I and K,
and sums the values for each group. Since SparkSQL does
not have reduce functoin, simply Spark SQL functions
were used to achieve the same result as Map-Reduce