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Friday, May 30, 2014 - 16:21
My daughter returned home from college a few weeks ago. She's a business major and just completed a challenging semester that included classes in statistics, accounting and finance. Of the three, she professed to finding finance the most interesting. In the stocks and bonds portion of the finance class, the professor spent quite a bit of time teaching from the acclaimed book “ A Random Walk Down Wall Street: The Time-Tested Strategy for Successful Investing ” by Princeton academic, Burton Malkiel. RWDWS's...Read more
Steve Miller
Tuesday, May 20, 2014 - 14:06
Six months ago I purchased a subscription to the New York Times Digital, which provides access to the online newspaper and NYTimes.com for my iPad. I like it a lot, experiencing much less paper withdrawal than anticipated and no doubt now spending more time reading articles than before. A collateral benefit to being part of the “Times ecosystem” is exposure to other solid news sources. One illustration is the new policy and politics website, The Upshot , that was launched several months ago by NYTimes.com...Read more
Big Data
Tuesday, May 13, 2014 - 07:29
OpenBI LLC is proud to make CIO Review’s list of 100 Most Promising Big Data Companies of the Year. Chicago, May 2014 -- CIO Review this week presented their list of 100 Most Promising Big Data Companies 2014, and OpenBI is pleased to be one of the top companies on the list. A distinguished panel comprised of CEOs, CIOs, VCs, industry analysts and the editorial board of CIO Review selected the finalists. The selection panel evaluated the capabilities of vendors in the Big Data spectrum, seeking out those...Read more
Tuesday, April 22, 2014 - 11:23
It just had to be serendipity. Early one morning several weeks ago, I had two emails awaiting me -- one from the Wire headlining an article on the results of analyses of Medicare data that the government's made available to the public; and a second from analytics vendor WPL announcing version 3.1 of its statistical software WPS that “can run programs written in the language of SAS.” That email also directed me to update my demo license and install 3.1. I spent parts of twenty years programming with SAS,...Read more
Tuesday, April 8, 2014 - 08:09
What an exciting tournament! If you’re an NCAA hoops junkie like me, you enjoyed the past 3 weeks of action. From the upsets (Mercer over Duke…seriously, Mercer?) to Cinderella stories (Go Dayton Flyers!) to buzzer beaters and clutch shots (Kentucky’s Aaron Harrison against Louisville, Michigan and Wisconsin. That’s simply insane!) , there is no better time of year to gather with family and friends and immerse yourself in the annual basketball festival that is the NCAA tournament. You have to give second...Read more
Steve Miller
Monday, March 31, 2014 - 17:03
I just finished Tom Davenport's latest book, “ Big Data @ Work ” and, not surprisingly, liked it a lot. Indeed I've pretty much enjoyed everything I've read by the author . A Harvard-trained sociologist, Davenport is a methodologically-sound researcher. His deep interviews and surveys of executives and data scientists set a standard for excellence in an industry where marketing bravado generally supersedes scientific rigor. And though Davenport's writing is often not as provocative, as, say, that of Viktor...Read more
Fund Data
By Jon Hanson, Senior Database/Relationship Consultant
Thursday, March 27, 2014 - 08:12
If you're lucky, you work for a company that gives you FREE MONEY if you're a responsible adult and ferret away retirement money in a 401K or Simple IRA plan. A hundred times I've heard the phrase, "Always take the free money," but is that always the right choice? How do you know if you're really getting a good deal? My girlfriend (for privacy's sake we'll call her 'Penelope Portman') was struggling with that decision last weekend and asked me to review her 401k pamphlet. She has her choice of 35 different...Read more
Steve Miller
Friday, March 21, 2014 - 10:40
One of the big changes in OpenBI's business over our eight years of BI and analytics consulting has been the evolution of “reporting”. In 2006, print-like reports were the norm, with OLAP and visualization secondary. Now OLAP and graphical dashboards predominate. Indeed, many customers have pretty much abandoned traditional “pixel-perfect”, control breaks reporting for visual drill/slice-and-dice, dashboards and statistical graphs. Figure 1 (click to enlarge) Nobody's happier about that development than me...Read more
Sourcing Line
Wednesday, March 19, 2014 - 16:59
OpenBI Named a Top Consulting Firm in Two Big Data Categories Chicago, March 2014 – Independent research firm SourcingLine published new research on leading Big Data consulting companies focused on data analytics, and Hadoop consulting companies. OpenBI is one of the few named as a leading firm in both Big Data and Hadoop catagories. "OpenBI is very excited to be acknowledged for our work in big data and analytics by such a highly-reputable company as SourcingLine," says OpenBI Founding Partner Steve...Read more
Brackets
Monday, March 17, 2014 - 12:41
The brackets are set. Let the madness begin! In Part 1 of this series, I introduced two methods for ranking NCAA teams: a Linear Algebra approach based on a lecture given by Tim Chartier at the Museum of Mathematic,s and a PageRank approach which I applied by reframing the entire NCAA season as a directed, weighted graph. In this blog, we'll compare these ratings approaches with the established industry rating systems of RPI , BPI , Ken Pomeroy and Jeff Sagarin . We'll make use of R's statistical...Read more

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