References
SparkR: The Past, Present and Future by Shivaram Venkataraman: http://shivaram.org/talks/sparkr-summit-2015.pdf
Enabling Exploratory Data Science with Spark and R by Shivaram Venkataraman and Hossein Falaki: http://www.slideshare.net/databricks/enabling-exploratory-data-science-with-spark-and-r
SparkR: Scaling R Programs with Spark by Shivaram Venkataraman and others: http://shivaram.org/publications/sparkr-sigmod.pdf
Recent Developments in SparkR for Advanced Analytics by Xiangrui Meng: http://files.meetup.com/4439192/Recent%20Development%20in%20SparkR%20for%20Advanced%20Analytics.pdf
To understand RFormula, try out the following links: