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Vincent Granville's Blog – January 2015 Archive (15)

R Spatial Representation

Guest blog post by vHomeInsurance.

Spatial Visualization Using R: One of the less understood aspects of R is in spatial data visualization. The below article will outline two case studies on using R to spatially visualize data.

 

Case Study 1: Using Census Data & Chloropeth R

Our first step is figuring out how to use the Census API within R. Given…

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Added by Vincent Granville on January 29, 2015 at 11:30am — No Comments

Weekly Digest - February 2

The full version is always published Monday. Starred articles or sections are new additions or updated content, posted between Thursday and Sunday. 

Sponsored Announcements

  • Learn Data Science in 12 weeks at …
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Added by Vincent Granville on January 28, 2015 at 5:00pm — No Comments

7500 companies hiring data scientists

This is an update to our December 2013 article: 6000 companies hiring data scientists.  Microsoft and IBM still dominate, but we've seen some shift over the last 12 months:

  • Accenture, Google and Cognizant are gaining traction, but overall, rankings for top companies have barely changed
  • The top 20 companies now amount to 7.5% of data scientists, versus 10%…
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Added by Vincent Granville on January 26, 2015 at 6:00pm — 4 Comments

Best Articles of DSC in 2014

Here is my selection of time-insensitive best articles, that were viewed more than a thousand times each, in 2014. 

Single-starred articles are written by external/guest bloggers. Our upcoming book on data science 2.0  will be based on some of these (edited and…

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Added by Vincent Granville on January 21, 2015 at 1:53pm — No Comments

Weekly Digest, January 26

The full version is always published Monday. Starred articles or sections are new additions or updated content, posted between Thursday and Sunday. 

Sponsored Announcement…

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Added by Vincent Granville on January 21, 2015 at 11:30am — No Comments

The impact of asking the wrong question

For any data science project, if you start with the wrong question, you are bound to end up with the wrong answer, and fail. Who should identify the right question? I believe data scientists should be involved in the process, otherwise, they will be held responsible for the failure.

CDC headquarters in Druid Hills,…

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Added by Vincent Granville on January 19, 2015 at 6:30pm — No Comments

The 5 Essential Skills Any Data Scientist Needs

Guest blog post by Bernard Marr.

In my last post, I explained the difference between what I consider the two core types of data scientist – strategic and operational.

Broadly speaking, they require many of the same skillsets – but the distribution of your expertise and experience within these skillsets will vary, depending on whether…

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Added by Vincent Granville on January 18, 2015 at 2:39pm — 3 Comments

Weekly Digest, January 19

The full version is always published Monday. Starred articles or sections are new additions or updated content, posted between Thursday and Sunday. 

Featured

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Added by Vincent Granville on January 14, 2015 at 4:00pm — No Comments

Data Science Art

This picture below represents a piece of paper where I wrote down my ideas for new articles, in the last few days, when making my 10 am tea pause. The tea kettle leaked on the sheet, slowly creating the brown stain. Many of my previous ideas were written with a purple pen, creating the purple stains. 

What is amazing is the very realistic fractal shape of the…

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Added by Vincent Granville on January 11, 2015 at 7:00pm — 1 Comment

Three Types Of Analytic Talent You Need

Guest blog by Cesar Brea, founding managing partner of Boston-based Force Five Partners, LLC, a marketing and sales analytics consulting firm. He is also the author of Marketing and Sales Analytics (Pearson FT Press, 2014).

Today’s case studies about data-driven marketing present stories of leaders and their successes. After all, history is written by the winners…

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Added by Vincent Granville on January 9, 2015 at 9:34am — 2 Comments

Is Big Data the Single Biggest Threat To Your Job

Guest blog post by Bernard Marr

The biggest threat to your job might come from an unexpected place. I believe that there is a hidden assassin lurking in the background waiting to finish you off in your job. Let’s face it; job security is high on everyone’s wish list right now, especially at times of economic hardship when it might not be so easy to quickly find another one.

So how secure is your job? Where is this hidden threat coming from and how can you put yourself…

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Added by Vincent Granville on January 9, 2015 at 9:30am — 3 Comments

Weekly Digest, January 12

The full version is always published Monday. Starred articles or sections are new additions or updated content, posted between Thursday and Sunday. 

Featured

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Added by Vincent Granville on January 7, 2015 at 5:00pm — No Comments

The 2 Types Of Data Scientists Everyone Should Know About

Guest blog post by Bernard Marr.

It depends entirely on how broadly you categorize them. In reality, of course – there are as many “types” of data scientist as there are people working in data science. I’ve worked with a lot, and have yet to meet two who are identical.

But what I have done here is separate data scientists into groups, containing individuals who share similar skills, methods, outlooks and responsibilities. Then I grouped those groups together, again and…

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Added by Vincent Granville on January 3, 2015 at 11:00am — 7 Comments

Most popular data science skills

Interesting article posted recently by Ferris Jumah, Data and Products guy at LinkedIn. The author concludes that data scientists typically do the following:

  • Approach data with a mathematical mindset
  • Use a common language to access, explore and model data
  • Develop strong computer science and software engineering backgrounds

My belief…

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Added by Vincent Granville on January 2, 2015 at 1:30pm — 8 Comments

Weekly Digest, January 5

The full version is always published Monday. Starred articles or sections are new additions or updated content, posted between Thursday and Sunday. 

Sponsored Announcement

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Added by Vincent Granville on January 1, 2015 at 11:30am — No Comments

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