https://learner.coursera.help/hc/requests/new
http://www.dessci.com/en/products/mathplayer/
https://www.coursera.org/
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https://www.coursera.org/
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https://class.coursera.org/datasci-002/class/preferences
https://www.coursera.org/uw
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https://class.coursera.org/mooc/help/pages/setup
http://coursolve.org/
http://coursolve.org/post-need
http://coursolve.org/courseproject/43
http://coursolve.org/browse-needs
https://wiki.internet2.edu/confluence/display/itsg2/Guidelines+for+Data+De-Identification+or+Anonymization
https://class.coursera.org/datasci-001/wiki/view?page=syllabus
http://en.wikipedia.org/wiki/Classification
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http://www.kaggle.com/competitions
http://www.informationisbeautiful.net/
http://coursolve.org/
http://blog.coursolve.org/2013/03/a-strong-foundation-for-foundations-of.html