Sparse data (2)
- Interview: Ali Vanderveld, Groupon on Vital Ingredients of Analytics-powered Sales Force - Jul 16, 2015.
We discuss the role of Analytics at Groupon, deciding factors for merchant priority, limitations of historical data, optimizing the efforts of sales force, data characteristics and dealing with Data Sparsity.
- Evolution of Fraud Analytics – An Inside Story - Mar 14, 2014.
The amazing analytic innovations in payment fraud prevention can be grouped into three major categories: large data-set modeling, sparse data-set modeling, and false-positive reductions - a view from the inside.