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Vincent Granville's Blog – December 2011 Archive (19)

How to build simple, accurate, data-driven, model-free confidence intervals

An updated version with source code and detailed explanations can be found here.

If observations from a specific experiment (for instance, scores computed on 10…

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Added by Vincent Granville on December 25, 2011 at 8:00pm — 5 Comments

How could Amazon increase sales by redefining relevancy?

By improving its search and relevancy engines, to include item price as a main factor. The type of optimization and ROI boosting described below applies to all digital catalogs. Here we focus on books.…

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Added by Vincent Granville on December 25, 2011 at 5:00pm — 1 Comment

Sales forecasts: how to improve accuracy while simplifying models?

The solution is simple: leverage external data, and simplify your predictive model.

Back in 2000 I was working with GE's analytic team to improve sales forecasts for NBC Internet, a web portal owned by NBC. The sales / finance…

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Added by Vincent Granville on December 24, 2011 at 9:00pm — 3 Comments

Real Life Example of Text Mining to Detect Fraudulent Buyers

The credit card transaction described here in details is a real example of a fraudulent transaction performed by organized criminals, undetected by all financial institutions involved, and very easy to detect with simple text mining techniques.

It was not caught by any of the financial…

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Added by Vincent Granville on December 21, 2011 at 5:00pm — 1 Comment

IBM Tech Growth Predictions: Energy, Biometrics, Mind Reading, Mobile, Junk Mail | ABC News

Who would have guessed, five years ago, that by 2011 we would have mobile phones that would, in a rudimentary way, listen to our questions and give us useful answers? Or ways for doctors to get help to…

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Added by Vincent Granville on December 21, 2011 at 1:08pm — No Comments

MINE: Detecting novel associations in large data sets

Tool detects patterns hidden in vast data sets

By Haley Bridger, Broad Communications, December 16th, 2011…


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Added by Vincent Granville on December 20, 2011 at 1:12pm — No Comments

Analytic professionals: are we detailed-oriented or do we think "big picture", or both?

Hiring managers always assumed that I was a very detailed-oriented person. It turns out that this is not the case: I'm certainly a very analytic person, yet I always think "big picture", and everybody who knows me well would say that I am everything but detail-oriented.…

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Added by Vincent Granville on December 19, 2011 at 4:30pm — 4 Comments

Apply for the Innovation in Analytics Award

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Added by Vincent Granville on December 15, 2011 at 7:29pm — No Comments

Great Greenplum resources for data scientists

Data Scientist Summit 2011 Highlights

New to the world of big data? New to the world of Greenplum? The Data Scientist Community is the platform to share ideas, network with industry peers and…

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Added by Vincent Granville on December 15, 2011 at 3:30pm — No Comments

Correlation or Causation? | Bloomberg Businessweek

Need to prove something you already believe? Statistics are easy: All you need are two graphs and a leading question.

By 

Correlation may not imply causation, but it sure can help us insinuate it.

Source: …

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Added by Vincent Granville on December 14, 2011 at 1:58pm — 3 Comments

5 Companies That Are Using Big Data & Gamification To Disrupt Market Research | Greenbookblog.org

Posted by Leonard Murphy.

Lately there have been several high profile new entrants into the "insights" business, most of them (but not all) from outside of the traditional market research industry. Examples range from some major global companies to small…
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Added by Vincent Granville on December 12, 2011 at 9:00pm — 1 Comment

Now that data's going really big, what's next? | Forbes

By Rajeshekara V. Maiya, Infosys.

Each year, we add two billion hexabytes (that’s two billion billion bytes) of data just in social conversation. American companies, across 15 sectors, with more than 1,000 employees each store on an average more data than the U.S. Library of Congress.

New Commerce

Move over, Information Age, the era of big data…

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Added by Vincent Granville on December 12, 2011 at 4:46pm — No Comments

Analytics: The Widening Divide | MIT

By David Kiron, Rebecca Shockley, Nina Kruschwitz, Glenn Finch and Dr. Michael Haydock

November 7, 2011

How companies are achieving competitive advantage through analytics

Subscribe or sign in to get access to even more articles.…

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Added by Vincent Granville on December 12, 2011 at 12:33am — No Comments

Zementis newsletter - December 2011



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Added by Vincent Granville on December 9, 2011 at 3:30pm — No Comments

Analytics Magazine by INFORMS - Dec Edition

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Added by Vincent Granville on December 9, 2011 at 3:22pm — No Comments

Interviews with leading data scientists (LinkedIn, EMC, Amazon, etc.)

Growing Your Own Data Scientists

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Added by Vincent Granville on December 9, 2011 at 3:09pm — No Comments

Digital Reasoning Refreshes Text Analytics

This week another analytics company raked in a fresh round of funding. This time it was entity-oriented text analytics software provider, Digital Reasoning. While the amount has not been publicly stated, the small Tennessee-based company has scored some major federal contracts since 2004—and with the new investment claims it will be…

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Added by Vincent Granville on December 9, 2011 at 2:50pm — No Comments

Data Repository for Machine Learning Projects

Welcome to the UC Irvine Machine Learning Repository!

We currently maintain 211 data sets as a service to the machine learning community. You may view all data sets through our searchable interface. Our old web site is still available, for those who prefer the…
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Added by Vincent Granville on December 9, 2011 at 2:44pm — No Comments

Another funny cartoon about innumeracy

Added by Vincent Granville on December 4, 2011 at 6:27pm — No Comments

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