Simple Tools for Building a Recommendation Engine

April 19, 2012
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Revolution’s resident economist, Saar Golde, is very fond of saying that “90% of what you might from a recommendation engine can be achieved with simple techniques”. To illustrate this point (without doing a lot of work), we downloaded the million row movie dataset from www.grouplens.org with the idea of just taking the first obvious exploratory step: finding the good movies. Three zipped up .dat files comprise this data set.
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