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Featured Blog Posts – September 2011 Archive (34)

Three recent news articles involving big data and Microsoft, SAP, Oracle, Sybase

  1. SAP co-CEO sees big future in lots of data | ThunderFeeds
    SAP co-CEO sees big future in lots…

Added by Capri on September 30, 2011 at 5:30pm — 1 Comment

How to detect a pattern? Problem and solution.

Check the three charts below: only one shows no pattern and is truly random. Which one?…


Added by Vincent Granville on September 28, 2011 at 6:00pm — 5 Comments

Video: 3 Big Data Tech Talks You Can’t Miss | LinkedIn Blog

This is a part of our continuing series on engineering and analytics at LinkedIn. If this isn’t your cup of Java, check back tomorrow for regular LinkedIn programming. Else, check out our Engineering Blog. - Ed.

Sharing knowledge is part of our core culture at LinkedIn, whether it’s through …


Added by Vincent Granville on September 26, 2011 at 12:41pm — No Comments

Can Google+ rule the Social Media Kingdom?

Speculations have begun. Discussions and debates have started to occur; Google+ has set its first step in the Social Media world.

The yet to be launched application is just starting to open its cards. The trial version of the application is out, but it is not enough to prove its dominance over peer social networking sites, particularly on Facebook. Despite all the past Google attempts to bring up a strong Social Media product, Facebook continues to enjoy…

Added by Manish Mohan on September 26, 2011 at 10:49am — No Comments

Support Vector Clustering: An approach to overcome the limits of K-means

An implementation using AMPL & SNOPT

Results managed and plotted via…


Added by Cristian Mesiano on September 26, 2011 at 3:36am — No Comments

NASA satellite fall on Earth: 1-in-3200 chance to hit someone. How so?

How was this statistic computed? Is it based on the formula

Q = 1 - (1 - x/y)^26 = 1/3200,


  • If we pack all 6 billion human beings into a very compact square area, that area will cover x square miles.
  • The total area of the earth is y square miles,
  • Q is the chance that at least one out of 26 pieces (expected to fall on earth) hits the square area in question

If this is the case, then the human beings occupy a proportion R = 1 - {1…


Added by Richard on September 23, 2011 at 2:01pm — 1 Comment

Lifetime value of an e-mail blast: much longer than you think

See below an example of an Analyticbridge email campaign that was monitored over a period of about 600 days. It clearly shows that 20% of all clicks originate after day #5. Yet most advertisers and publishers ignore clicks occurring after day #3. Not only 20% of all clicks occurred after day #3, but the best clicks (in terms of conversions) occurred several weeks after the email…


Added by Vincent Granville on September 22, 2011 at 7:30pm — 3 Comments

Pierre François Verhulst EPISTEMIC HEURISTICS

The Logistic Map and the Route to Chaos


One dimensional maps and a route to chaos…


Added by John A Morrison on September 22, 2011 at 1:00am — 1 Comment

Scientists tried on manslaughter charges for providing incorrect predictions | USA Today

ROME (AP) – Seven scientists and other experts have gone on trial on manslaughter charges for allegedly failing to sufficiently warn residents before a devastating 2009 earthquake that killed more than 300 people in central Italy.

The case is being closely watched by seismologists around the globe who insist it's impossible to predict earthquakes and dangerous to suggest otherwise, since seismologists will be discouraged from issuing any advice at all if they fear…


Added by Mirko Krivanek on September 21, 2011 at 4:39pm — 3 Comments

Newton's Laws of Motion and its relevance to Business Intelligence (BI)


Hi there! If you are perplexed by the title of this blog article, I wouldn't be surprised. I am sure you would be muttering under your breath "What on earth have Newton’s Laws of Motion got to do with Business Intelligence (BI)?"

Before I quench your curiosity to know more, let me for the benefit of everyone state here the three Laws of Motion as discovered by Sir Isaac Newton.

Law I: (1)

Every body persists in its state of being at rest…


Added by Kesavan Hariharasubramanian on September 19, 2011 at 9:00am — 1 Comment

Barriers to hiring analytic people

You hear all the time that it is very hard to find and hire a great data scientist. Yet these scientists can't find a job, and are typically unemployed for many months after graduating or after being laid off - even those with 15 years of experience and stellar degree and accomplishments. 

So what's the problem? I'm suggesting a few possibilities:

  • Candidates lack business acumen
  • Candidates have poor communication skills, are asking too much…

Added by Capri on September 18, 2011 at 7:35pm — 10 Comments

Creativity vs. Analytics: Are These Two Skills Incompatible?

In a nutshell, are great analytic people lacking creative skills? And are great creators lacking analytic skills? How to fix this gap?

Here are a few interesting questions:

  • Should analytic people focus on measuring, and nothing else? 
  • Do analytic people lack business skills because they were odd kids in high school, because the way the school system is working in US?
  • Is it impossible to hire great analytic people combining both soft and hard skills, because…

Added by Capri on September 18, 2011 at 7:00pm — 10 Comments

Statistical Evidence in Litigation

Excellent resources compiled by Will Yancey, PhD, CPA.

Will Yancey, PhD, CPA 

Email: [email protected] 

Office phone 734.744.4400
Dr. Yancey consults on audit sampling and litigation support.


Contents of this page:


Added by Richard on September 16, 2011 at 3:27pm — No Comments

StatSoft Releases Text Mining Video Series on YouTube

StatSoft announces the release of their new YouTube video series on Text Mining. The series will provide hands-on tutorials of text mining applications. StatSoft will release a new video every week. Subscribers to the StatSoft YouTube channel will have quick and easy access to the videos as soon as they become available. Users can also register to receive emails every time a new video is…


Added by Vincent Granville on September 16, 2011 at 2:30pm — No Comments

BayesianNetwork Newsletter, September 2011

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Added by Vincent Granville on September 16, 2011 at 12:40pm — No Comments

Classification accuracy using different bag of words

In this post I show how the accuracy of the classifier is influenced by the bag of words. 

The test has been done on a naive classifier but it returns good information about the data set.

The above image is an example of the bag of words used in the…


Added by Cristian Mesiano on September 16, 2011 at 4:54am — No Comments

King of Analytics is Jim Goodnight, according to Forbes

Here's their article:


Some entrepreneurs set out to change the world. Steve Jobs comes to mind. Others try to solve a niche problem and discover, over time, that the whole world wants their magic. Such is Jim Goodnight, the cofounder, chairman and CEO of SAS, the Cary, N.C.-based leader in the suddenly hot field of high-powered analytics software.

Goodnight, 68, is a tall Southerner with…


Added by Vincent Granville on September 15, 2011 at 1:55pm — No Comments

Trillion Triple Semantic Database

The Semantic Web is an idea of World Wide Web inventor Tim Berners-Lee where the web captures the semantics, or meaning, of data, and where machines are enabled to interact with that meta data. Berners-Lee observes that although search engines index much of the Web's content, keywords only provide an indirect association of the meaning that human actors are seeking. He foresees a number of ways in which developers and authors, singly or in collaborations, can use self-descriptions and other…


Added by Theodore Omtzigt on September 14, 2011 at 2:27pm — No Comments

Big Data Analytics Company Opera Solutions Raises $84M | Washington Post

Opera Solutions, not to be confused with browser maker Opera Software, has raised a whopping $84 million in its very first round of outside equity funding. According to the Wall Street Journal, the round values the…


Added by Mirko Krivanek on September 14, 2011 at 10:54am — No Comments

Pfizer's Top 5 Lessons from Applied Analytics | Forbes

Image representing Pfizer as depicted in Crunc...

(Image via CrunchBase)

Global pharmaceutical giant Pfizer Inc. is transforming its use of analytics from a theoretical exercise into a real-time execution engine powered in part by tablet PCs and click-stream data  but primarily by the urgency of shifting business models for Lipitor and other products.

In a …


Added by Mirko Krivanek on September 14, 2011 at 10:49am — No Comments

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