Billy McCafferty

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• Algorithms

• Netflix Memoirs: Using the Pearson Correlation Coefficient

  Updated 2/12/07 to include SQL for computing movie prediction. Slugging my way through the Netflix challenge , I've come across a number of computational techniques of which I was previously unaware. One such technique, using the Pearson correlation coefficient... Posted Nov 07 2006, 01:48 PM by Billy McCafferty with | with 1 comment(s) Filed under: SQL Server, Algorithms

• Common SQL Scripts and Tips

  Since embracing NHibernate, I've reveled in not writing any ADO code. On the other hand, I've become a bit rusty, and a bit nostalgic for that matter, with SQL these days. To my chagrin, I find myself having to look up bits and pieces of SQL that I used... Posted Oct 24 2006, 12:47 PM by Billy McCafferty with | with 3 comment(s) Filed under: SQL Server