Simple Suggestion / Recommendation Algorithm

Question

I am looking for a simple suggestion algorithm to implement in to my Web App. Much like Netflix, Amazon, etc... But simpler. I don\'t need teams of Phd\'s working to get a bette

Answer 1

There are many simple and not so simple examples of suggestion algorithms in the excellent Programming Collective Intelligence

The Pearson correlation coefficient (a little dry Wikipedia article) can give pretty good results. Here's an implementation in Python and another in TSQL along with an interesting explanation of the algorithm.