Examples of Recommendations powered by MapReduce and mrjob
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README
booksSimilarities.py
metrics.py
moviesSimilarities.py
moviesSimilarities_up.py
movies_count.py
normalize.py
runner.py
runner_up.py
u.data
u.item
vectorSimilarities.py

README

For more information, read the blog post:
http://aimotion.blogspot.com/2012/08/introduction-to-recommendations-with.html

# Python files that aren't in the MRJob file itself need to be uploaded
# separately, so put them in a tarball and use --python-archive
> tar -cvf metrics.tar.gz metrics.py
> python moviesSimilarities.py data/sampling.csv --python-archive data/metrics.tar.gz