Rating agency data: Getting gamed

<!--break--> It looks like the rating agencies, which contributed so much to the housing bubble (and bust), made it easy for banks to game the numbers. According to a story in today's New York Times, they shared their formulas. This apparently was in the interest of 'transparency', but it made it a cinch for the banks to engineer... [read more]

The Ascent of Ranking Algorithms

<!--break--> Algorithmic ranking is on the rise. Everywhere I turn, something or the other is being ranked analytically. Ranking web pages based on relevance, pioneered by Google’s PageRank, maybe the best-known example of algorithmic ranking. Also ubiquitous are ranking algorithms inside recommender systems. Given... [read more]

Your Friend the Algorithm

<!--break--> With exponential trends of data growth and computational power colliding, the world is literally drowning in data. There’s too much data, and not enough analysis. Fortunately, companies are using technology to capture and integrate data and sophisticated mathematical procedures to analyze data and make better decisions—... [read more]

Data Miners: Participate in 3rd Annual Survey

<!--break--> <!--StartFragment-->Data Miners:  Pleaseparticipate in our 3rd Annual Data Miner SurveySurvey Link:www.RexerAnalytics.com/Data-Miner-Survey-Intro2.html Access Code:  SD4W2Pleasealso help us spread the word to more data miners.  This link and access code can be emailed to others.Wethink that... [read more]

#2: Here's a thought...

<!--break--> An occasional series in which a review of recent posts on SmartData Collective reveals the following nuggets:Who’s in charge here?A recent survey of business and IT leaders carried out by Kalido shows that over two thirds of businesses have no clear data governance program, and have no plans to implement one — and 13% are... [read more]

Software Dependence & Model Accuracy

<!--break--> I work a lot with the Data Mining/Analytics business development team at my current company. My primary role is to be there during client presentations and conferences and answer the client’s queries on modeling techniques, and the USP of our approach related to model performance and/or business benefits.During one of... [read more]