July/Aug 2011

FEATURED ARTICLES

July/Aug 2011 Analytics

DEPARTMENTS

Inside Story

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Big data, big deal

It wasn’t that long ago that business analysts and mathematical modelers were moaning about the lack of data with which to construct their models in order to better inform their decision-making clients. Now, the corporate world (and every other world you may live, work or play in) is overflowing with data, and the problem has done an 180-degree turn: Data is overwhelming our senses, and the question the corporate world is asking is: Where are we going to find enough qualified analysts to analyze all the data we’re generating and provide us with some real insight?

Executive Edge

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Statistics make the world work better

Hal Varian, Google’s chief economist, says that statistician is the sexy job of the coming decade. I think he’s behind — using statistics has been the sexy job of the last 30 years. It’s just taken awhile for organizations to catch on. Statistics underpin many cost-effective efforts to reduce preventable deaths, make the economy run smoother, fight fraud, improve education and please customers.

Profit Center

Data doesn’t always contain information

The proliferation of computers has led to an even greater proliferation of data. Home computers store terabytes of it. Large businesses store even more. Consultants and software vendors like to remind us that data isn’t information unless it’s organized for the purpose of doing something useful, and they make a good point. Many businesses have considerable data at their disposal, but they haven’t transformed that data into information that will help them make better business decisions.

Analyze This!

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Standardized analytical solutions

So the mainstream media have picked up on this analytics thing big time. The latest “hit” is a recent article in the New York Times that cites a recent study by the McKinsey Global Institute entitled, “Big data: the next frontier for innovation, competition, and productivity.” The McKinsey report is full of Saganesque prose (“billions and billions of dollars in savings possible as a result of harnessing the information embedded in the big data sets of today and tomorrow”), highlighting several industries and functional areas that its authors believe are ripe for large-scale application of the data, models and analyses that we all know and love.

What's New

INFORMS launches Analytics Section

Continuing its expansion throughout the analytics space, the Institute for Operations Research and the Management Sciences (INFORMS) recently launched a special interest group devoted to analytics. The Analytics Section of INFORMS attracted more than 300 members during its first two months of existence, immediately making it one of the largest — and certainly the most talked about — Section in the venerable Institute that traces its roots back to World War II.

Forum

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The government needs to know the score

The article in the May/June issue of Analytics on credit scoring by FICO’s Andrew Jennings and Carolyn Wang [1] illuminated a key reason for the lingering economic slump. Most of us know that business, and in particular business investment, is not rebounding as hoped. We also know that borrowing is below expectations, even at record low interest rates. Now we can see a major element of the problem.

Conference Preview

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Charlotte to host 2011 INFORMS Annual Meeting

Charlotte, N.C., the “Queen City of the South,” will host the 2011 INFORMS Annual Meeting, Nov. 13-16. The meeting will be held in the downtown Charlotte Convention Center located between two major conference hotels, the Westin and the Hilton. Numerous restaurants and attractions are within walking distance, including the NFL’s Charlotte Panthers’ stadium (where the Panthers will host the Tennessee Titans on the Sunday of the conference), the NBA’s Bobcats’ arena and numerous museums. Also within walking distance is the NASCAR Hall of Fame where the general reception will be held. During the reception, attendees will have the opportunity to test their racing and pit crew skills. Serious competitors are welcome to frequent the NASCAR Hall of Fame to practice before the reception.

Learning Resources

INFORMS’ Library of Audio and Video Presentations

Gain insights from experts on how math, analytics, and operations research affect organizations like yours in these succinct 20-30 minute podcasts conducted by INFORMS Director of Communications Barry List (photo).

Five-Minute Analyst

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Drug tests for needy families

The state of Florida has signed into law a bill that requires welfare applicants to take a drug test to continue receiving benefits [1, 2]. A twist to this law is that applicants will pay for the drug test out of pocket. If they pass the drug test, their fee ($10-$25) [3] will be reimbursed, and they will continue to receive benefits under the Temporary Assistance for Needy Families program (TANF) for six months. The value of this benefit is $300 per month. Approximately 4,000 persons apply for the benefit each month.

Thinking Analytically

Escape from Markov’s Prison

After years of being captive in Markov’s prison you have decided it is time to escape. A sketch of the prison is shown in Figure 1. The path to freedom begins when you enter room No. 1 and exit the prison through room No. 16. Unfortunately, there are two very vigilant guards who are on duty and have been walking through the rooms for years. If you and a guard are in the same room at the same time, you will be caught and sentenced to life in prison. Fortunately, over time, you have observed that the guards’ movements are dictated by the following probabilities:

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