Monthly Archives: December 2012

Get Social with Pearson Correlation

In one of my earlier posts, I discussed about using Pearson correlation for making social recommendation. In this post we will delve deeper into it including the Hadoop map reduce implementation. There are many correlation techniques, including cosine distance, slope … Continue reading

Posted in Collaborative Filtering, Hadoop and Map Reduce, Predictive Analytic, Recommendation Engine | Tagged , | 3 Comments