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August 2010 Blog Posts (15)

Market fluctuations and predictions

Fluctuations - Markets often fluctuate by +/- 2% on a day-to-day basis. Graphs of market trends are up-dated on-line and in real-time on various web sites. http://money.ca.msn.com/

An example of this is the DJI average which increased by 1.65% today (2010-08-28).

DJI (Daily)

However, it's…

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Added by Chris Carozza on August 28, 2010 at 7:30pm — 2 Comments

The Top Three hottest new majors according to Microsoft: data mining, business intelligence, web analytics

Data Mining/Machine Learning/AI/Natural Language Processing



All of these fields help us sift through and organize huge amounts of information or data. When you apply your knowledge in these areas to a challenging problem in the online space, you know that you are working at a scale that is just immense. It’s much easier said than done. If you have a passion for this area and have a technical background there are a multitude of open positions that might hold a long-term career… Continue

Added by Vincent Granville on August 27, 2010 at 11:28am — 1 Comment

Data-Driven Businesses Continue to Thrive: Fitzgerald Analytics Named to Inc. 5000 List, Part of Broader Trend Towards Data-Driven Business Models

As Business Data Grows, So Does Next-Generation Consultancy



On August 24 Inc. Magazine announced their list of the fastest growing companies in the country. Fitzgerald Analytics was ranked 2518 on the prestigious list, which is considered a hallmark of entrepreneurial success. Past members of the list include Intuit, Zappos,…

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Added by Jaime Fitzgerald on August 26, 2010 at 10:30pm — No Comments

Famous Mathematician Makes Stock Market Predictions

The Hindenburg Omen IS Scary, but So Are the Fundamentals



Another down day on Wall Street Thursday sent the Dow below 10,000 for the first time since early July. Fear in the market is being expressed by the continued rally in Treasuries and widespread chatter about an ominous sounding technical indicator: The Hindenburg Omen.



The Hindenburg Omen has a roughly 25% accuracy rate in predicting big market upheaval since 1987, meaning it's far from infallible but isn't… Continue

Added by Vincent Granville on August 26, 2010 at 6:09pm — 3 Comments

Analytics skills in demand – and analytics pros demanding top salaries

Looking to hire top-notch data modelers, predictive analysts and other advanced data analytics professionals to beef up your organization’s analytics skills? Better get your checkbook ready.



As more and more companies deploy predictive analytics tools and other data analytics software and begin filling the ranks of their analytics team, the pool of available talent is shrinking and hiring costs are growing, according to industry analysts and executives at companies that are in the… Continue

Added by Vincent Granville on August 26, 2010 at 6:05pm — 3 Comments

A Chip That Digests Data and Calculates the Odds

(from NY Times)



Complex as they may seem, traditional computers deal in a simple art. They rely on tiny switches that turn on and off, producing the streams of ones and zeros that software eventually translates into something meaningful to a human.



Some computer scientists find solace in the degree of certainty that comes from trading in yes-or-no operations.



Lyric Semiconductor, a start-up that… Continue

Added by Steffen Springer on August 25, 2010 at 12:10am — No Comments

Exciting News From Fitzgerald Analytics!

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Added by Benjamin Herold on August 24, 2010 at 2:28pm — No Comments

Innovative Use of Data from Multiple Sources @ Bundle.com

Fitzgerald Analytics client Bundle.com is preparing to launch their full site with exciting new functionality in September.…

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Added by Jaime Fitzgerald on August 10, 2010 at 1:00pm — No Comments

2nd level confidence

Hi everyone - i have a problem which sounds like it should be an easy answer, but i am stumped - or maybe i am over analysing.

I have a client who has completed a test campaign - two cells of 50,000 and 75,000 respectively. The response rate is the same at 99% confidence - 0.47%, however the two cells received different creative and copy elements.

Initially we were looking for a increase in response - this has not happened, however, the spend of the responses is…

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Added by Michael Fisher on August 10, 2010 at 9:25am — 2 Comments

Interview with Kaggle CEO Anthony GoldBloom



For those that haven't heard of Kaggle…
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Added by Themos Kalafatis on August 10, 2010 at 12:11am — No Comments

How To Beat Traffic With Math

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Added by Vincent Granville on August 9, 2010 at 5:00pm — No Comments

Council to Counter Web Content Generators' Growing Clout?

It’s not just job-threatened journalists who are worried about the rise of low cost content generators like Demand Media and Associated Content.



A group of established content syndicators are concerned enough by these companies’ growing clout–and what they see as diminishing content standards on the Internet-that they are looking to do something about it.

Officials from the three-year-old Internet Content Syndication Council, which includes members such as Procter & Gamble,… Continue

Added by Vincent Granville on August 8, 2010 at 1:00am — No Comments

Explaining variability in logistic regression

Hi All,

I have built a logistic regression but I am not able to figure out which goodness of fit measure will help me know 'How much variability of the dependent variable is being explained by the current model'

I have calculated few pseudo r2 to measure this but as we know pseudo r2 is not a good way of measuring.

In addition to this can any one tell me how to calculate McKelvey & Zavoina's pseudo r2

Thanks

Jai

Added by Jai Shanker Singh on August 2, 2010 at 9:42am — 6 Comments

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