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Stock market: should you buy or sell?

The stock market has soared despite no news to support the new highs. Is it time to sell or to short? Or to buy?

Here's my advice, both as a data scientist, and as a former day trader who survived 15 years of stock market volatility  (and increased model-resistant price oscillations), mostly by not trading anymore since 2000,…


Added by Vincent Granville on March 12, 2013 at 9:00pm — 2 Comments

Unstructured Data Really Isn't

Unstructured Data Really Isn’t

Bradley S. Fordham, PhD (

The (ART+DATA) Institute

The term “unstructured data”, is truly an oxymoron.  All data has structure, and in fact most data has multiple structures…


Added by Zach Piester on March 10, 2013 at 2:18pm — No Comments

Automatically deskew before machine learning in R

I found it odd there was no way to automatically deskew data in R, so I wrote a short little function to do it.  It noticeably improves the peformance of linear models and linear support vector machines.

Added by Michael Malak on March 9, 2013 at 2:00pm — 1 Comment

Big Data means to support Buzz Marketing actions


What is buzz marketing? In the strict sense of the term, buzz marketing is creating noise around a product, service, company or brand. For example you can recruit consumers, preferably proactive volunteers who influence their peers, and help them to try your products in good condition before pushing them to talk about their experience.

The buzz is one of the most powerful forces in the market, and knowing how to master this important marketing channel is critical. Word of…


Added by Michel Bruley on March 7, 2013 at 4:21am — No Comments

Open for Comment: Proposed "Data Science Code of Professional Conduct"

We are seeking comments and suggestions on a proposed "Data Science Code of Professional Conduct".

Data science is an independent profession. Data scientists have a higher calling than just technical skills. We have a duty to use data science to make life, business and government better.…


Added by Michael Walker on March 6, 2013 at 8:17pm — 2 Comments

Quick! Hire a Data Scientist! Not so fast, perhaps...

Contrary to the prevailing sentiments, I counsel patience with regards to hiring a data scientist. Firstly, I mean no disrespect to my data science colleagues, and many will likely agree with me because no one likes to enter an environment where sub-optimal results or failure are probable. Yes, it’s likely you need to add one or even a few data scientists to the team, but not as your first step into the wide, wide world of Big Data. Give me a few minutes and hopefully you’ll see it my…


Added by Alan Nugent on March 5, 2013 at 4:01am — No Comments

How to Integrate the Work of the Data Scientist into the Company's Strategy

This blog entry continues the topic of how a Data Scientist can convince colleagues to become more data driven.  The previous blog covered office politics.  This entry covers integration with the strategy and, more specifically, the process that creates the company's strategy.

Every company is unique and consequently so is its strategy process. At first glance, research on how companies develop strategies is complex and contradictory. There are simply too many ways to go about it:…


Added by Stephen Penn, DM, PMP on March 5, 2013 at 2:40am — 2 Comments

40 selected articles from top news outlets

Enjoy the reading!

  1. The Upbeat Stats on Statistics | WSJ…

Added by Vincent Granville on March 3, 2013 at 3:46pm — No Comments

Weekly Digest - March 4


Featured on…


Added by Vincent Granville on March 3, 2013 at 2:30pm — No Comments

PAW San Francisco Packs a Punch with Keynotes in 2013

This year, Predictive Analytics World San Francisco (April 14-19) features an incredible agenda filled with awesome keynotes and 35 keynotes from leading organizations..

Check out some of the headliners at PAW SF this year:…


Added by Vincent Granville on March 3, 2013 at 1:00pm — No Comments

EMC Greenplum Brings SQL to Hadoop | Forbes

By Ben Woo, Forbes Contributor.…

Added by Vincent Granville on February 28, 2013 at 3:12pm — No Comments

Spark, Shark and Mesos Data Analytics Stack

The Berkeley Data Analytics Stack (BDAS) is an open source, next-generation data analytics stack under development at the UC Berkeley AMPLab whose current components include …


Added by Michael Walker on February 27, 2013 at 10:08am — No Comments

Book Trailer: Too Big to Ignore


Here's the book in under five minutes. Props to my spectacular video guy, Joe Buquicchio of Chrome Video Productions.





Added by Phil Simon on February 21, 2013 at 2:30pm — No Comments

The Data Supply Chain and Master Data Management

The recent TDWI Keynote by Evan Levy focused on traditional…


Added by Michael Walker on February 21, 2013 at 9:00am — No Comments

Weekly Digest - Feb 18



Added by Vincent Granville on February 17, 2013 at 9:00am — No Comments

30 great articles from top news outlets

Vincent's selection for the last 30 days. Enjoy the reading, share with colleagues!

  1. Big Data: Making Complex Things Simpler…

Added by Vincent Granville on February 16, 2013 at 3:36pm — No Comments

Google Spanner : The Future Of NoSQL

Quite often, while working with Hbase, I used to feel how cool it would be to have a database that can replicate my data to datacenters across the world consistently. So that I can take the pleasure of global availability and geographic locality. And also which will save my data even in case of some catastrophe or…


Added by Mohammad Tariq Iqbal on February 15, 2013 at 9:21am — No Comments

New York City’s $15M Big Data Partner

New York City Mayor Michael Bloomberg in a recent press conference detailed a new $15M partnership  to tackle the increasing volume of big data to increase New York’s capacity for applied sciences and potential for economic growth.  The agreement will create 440,00 square feet of new space dedicated to big data education and training, as well as the addition of 75 big data research specialists.

Dr. Kathleen McKeown and Dr. Patricia Culligan were selected to lead the new…


Added by J. David Morris on February 15, 2013 at 7:04am — No Comments

The Impact of Big Data Analytics on Healthcare & Your Health

The Impact of Big Data Analytics on Healthcare & Your Health


Often we take good health for granted.  However if you or a loved one has ever experienced a sever injury, disease, or other health event, it is often a life changing occurrence, which turns one’s life upside down.  Today, there is more information available to patients to understand the symptoms, outline event progression, and summarize treatment options thanks to the Internet.  However, there is…


Added by J. David Morris on February 14, 2013 at 11:09am — 2 Comments

Optimizing Merchandising Using Big Data Analytics

Merchandising managers, for many years, have been grappling with the following three major challenges (among others), in making product management decisions:

  1. Understanding visitor & purchase behavior in the store (and online)
  2. Silos of product, purchase and customer data that are disconnected, disparate and…

Added by Balu Rajagopal on February 14, 2013 at 10:16am — No Comments

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