You can build Spark from the 1.4 release branch yourself:
https://github.com/apache/spark/tree/branch-1.4
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Daniel Emaasit,
Ph.D. Research Assistant
Transportation Research Center (TRC)
University of Nevada, Las Vegas
Las Vegas, NV 89154-4015
Cell: 615-649-2489
www.danielemaasit.com
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For the impatient R-user, here is a link
http://people.apache.org/~pwendell/spark-nightly/spark-1.4-docs/latest/sparkr.html
to get started working with DataFrames using SparkR.
Or copy and paste this link into your web browser:
