If your query is in Clojure there are some great tools in addition to those mentioned for data science that leverage Hadoop - in particular - Parkour https://g

If your query is in Clojure there are some great tools in addition to those mentioned for data science that leverage Hadoop - in particular - Parkour https://github.com/damballa/parkour/ https://github.com/damballa/parkour/ (Hadoop MapReduce in idiomatic Clojure) If your query is in R then you can convert to a PMML query and then Cascading to Run on Hadoop: http://blog.cloudera.com/blog/2013/11/how-to-use-cascading-pattern-with-r-and-cdh/# http://blog.cloudera.com/blog/2013/11/how-to-use-cascading-p...