1) Ran Code for questions 1-3 on pyspark in cluster mode, with multiple nodes. Measured and captured the difference in performance between running it on a single EC-2 instance, and running it on a cluster.

2) Added some screenshots for the final report, to show the cluster configuration.

3) Added ipython notebooks for performance metrics in local mode.

4) Added json files for zeppelin notebooks

5) Created new source files for Code pyspark code run in zeppelin notebooks, in cluster mode

6) Added test results for question 3 when using hive to calculate the median data.

7) Added R code from Rob for question 3 local exploration

8) Renamed some of the local exploration files