Note that Brian upgraded the elastic map reduce client on the shared servers but the wiki has not been updated yet, you need to "load" the module and from then on out its in your PATH

module load aws/elastic-mapreduce-cli
elastic-mapreduce --credentials ~/.ssh/$USER-credentials.json --help

Word Count In R

The following example in R performs MapReduce on a large input corpus and counts the number of times each word occurs in the input.

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