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Vincent Granville's Blog – April 2014 Archive (19)

Data science job ads that do not attract candidates, versus those that do

There's no shortage of great talent for companies such as Apple, Google, Intel, Facebook, Wikipedia and some exciting startups. But what if you are not one of these?

I received the following job ad in my mailbox (see below in italics), from a third-party recruiter, and it's probably for a data science position at Nike near Portland, Oregon (my guess). Basically, it's a 6-month gig to build an A/B platform.…

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Added by Vincent Granville on April 30, 2014 at 4:00pm — No Comments

Data science displacing traditional science

Here's an interesting piece of email my wife received today - looks like it was sent to all students at university of Washington.

Subject: Update on the Closure of the Physics and Astronomy Reading Room

Hello Huskies,

As of June 13, 2014, the Physics and Astronomy Reading Room will be replaced with a new…

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Added by Vincent Granville on April 23, 2014 at 6:30pm — 1 Comment

This page has been moved

The new content can be found here.

Added by Vincent Granville on April 23, 2014 at 2:30pm — No Comments

Nine new, great articles and resources posted externally

Here we go. Enjoy the reading!

MapReduce NextGen Architecture

Illustration of YARN (from first article below)

Articles from external publishers and bloggers:

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Added by Vincent Granville on April 21, 2014 at 12:08pm — No Comments

The data science alphabet

Feel free to add your keywords. Here's a start:

The alphabet:

  • Algorithm (also: API, accountability)
  • Big data…
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Added by Vincent Granville on April 17, 2014 at 6:30pm — 2 Comments

Employee Churn 201: Calculating Employee Value

Guest blog pst by Pasha Roberts, Chief Scientist, Talent Analytics @pasharoberts

Much has been written about customer churn - predicting who, when, and why customers will stop buying, and how (or…

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Added by Vincent Granville on April 17, 2014 at 4:00pm — No Comments

Weekly digest - April 21

Sponsored Announcements

  • Predictive Analytics World, June 16-19 in Chicago is the business event for predictive analytics professionals, managers and commercial practitioners, covering today's commercial deployment of predictive analytics, across industries and across software vendors.…
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Added by Vincent Granville on April 17, 2014 at 3:30pm — No Comments

How to identify the right data scientist for your company

Should you hire someone who knows all the most recent flavors of logistic regression? Or an Hadoop developer?

In my opinion, this is the wrong strategy. These employees are very expensive (at least $120k per year), and they might not bring the ROI that you expect. At least, if going in that direction, hire someone favoring simple, scalable, robust, automated solutions over anything else. To automate, you need someone great at developing…

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Added by Vincent Granville on April 16, 2014 at 4:30pm — 1 Comment

4000 copies of data science book pre-ordered

I've heard from Wiley that our data science book had already 4,133 pre-ordered copies, which is (according to Wiley) a great start. It was published last Monday.

I invite you to check the final table of content or check out the book on…

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Added by Vincent Granville on April 12, 2014 at 8:00am — 6 Comments

Another 10 external articles and resources worth reading

Here we go. This a a follow up to our previous 9 must-read articles. The map below illustrates the data science (route optimization) problem described in the UPS Truck article.…

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Added by Vincent Granville on April 10, 2014 at 12:30pm — No Comments

Big data: are we making a big mistake? My reaction

This is a recent, very popular article published in the FT Magazine. A similar one - Eight (No, Nine!) Problems With Big Data - was published in the New York Times. In both cases, this is an attack against big data. It features Google's failure…

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Added by Vincent Granville on April 10, 2014 at 9:30am — No Comments

Data Science Dictionary

We created a data science dictionary in 2012, and we are still adding keywords. It is also in our Wiley book (better English, recent update). Here we share with you another similar dictionary, from BigDataProjects.org.…

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Added by Vincent Granville on April 5, 2014 at 8:26am — No Comments

9 "must read" articles

My selection of articles and resources recently posted in various news outlets - mostly from specialized publishers dealing with big data, machine learning, visualization and related topics. The picture below is from the first article.

My selection

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Added by Vincent Granville on April 5, 2014 at 7:30am — 2 Comments

The Data Science Venn Diagram Revisited

Anyone knows the reference for this diagram? Looks like it might have been published first by Gartner. Domain expertise, the #1 success factor, is still missing in this diagram. I invite you to read my articles on "10 types of data scientists" and other references below to learn more about my unusual point of view on data science.

Related…

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Added by Vincent Granville on April 5, 2014 at 7:00am — 1 Comment

Big Data Timeline

Interesting interactive timeline featuring a number of "big data" milestones since 1932. There's way too much emphasis on BI, ERP and SAP, but still, it contains lots of interesting history when you filter out these references. 

Big data, back in 1940

Here are some highlights:

  • July 1997 - The Problem of Big Data. The term "big data" was used for the first time in an article by NASA researchers Michael…
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Added by Vincent Granville on April 3, 2014 at 7:30am — 1 Comment

How can social networks easily generate an extra $200 million per year

Here I focus on LinkedIn and how they can monetize their groups via charging a fee for email blasts, but the same applies to Google+, Twitter, Facebook etc. In short, LinkedIn alone could generate an extra $50 million per year, thought the best implementation would probably involve LinkedIn outsourcing email blasts to a vendor such as MailChimp or VerticalResponse: it would probably mean that LinkedIn would earn only $25 million a year, the vendor would earn $25 million a year, but for…

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Added by Vincent Granville on April 2, 2014 at 5:00pm — 2 Comments

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