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Vincent Granville's Blog – February 2013 Archive (9)

Salary/Income of Analytics/Data Mining/Data Science professionals

KDNugget's salary survey results have just been released. Salary are higher in 2013. But there were much fewer respondents (383) in 2013 than in 2012 (487). Why?

2013 Analytics salaries by region and employment type

Graph 1: Analytics Salary/Income by Region and Employment…

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Added by Vincent Granville on February 28, 2013 at 9:30pm — 2 Comments

Great statistical analysis: forecasting meteorite hits

This example can be used for training purposes, as part of the curriculum to become a data scientist. Here I describe the different steps involved in a typical, real analysis: from understanding the problem (how to forecast meteorite hits) to providing an answer. The Excel spreadsheet with all the details can be downloaded at the bottom of this article.…

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Added by Vincent Granville on February 28, 2013 at 7:00pm — 3 Comments

Selected articles posted this week

From Big Data News, Data Science Central and AnalyticBridge:

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Added by Vincent Granville on February 25, 2013 at 9:57am — No Comments

Debunking the story about the Russian meteor event

This Friday, about 15 hours apart, two rare events occured:

  1. A 15 meters meteor exploded above Russia
  2. A 50 meters meteorite missed Earth by less than 20,000 miles…

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Added by Vincent Granville on February 17, 2013 at 12:30am — 35 Comments

Fake data science

Books, certificates and graduate degrees in data science are spreading like mushrooms after the rain.

Unfortunately, many are just a mirage: some old guys taking advantage of the new paradigm to quickly re-package some very old material (statistics, R programming) with the new label: data science.…

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Added by Vincent Granville on February 11, 2013 at 11:00pm — 6 Comments

Weekly Digest - Feb 11

The format has changed a litte bit. We have now 5 sections: Sponsored Announcements, Staff Contributions, Guest Blog Posts, Guest Forum Questions and Miscellaneous, from DSC and its two channels: BigDataNews.com and AnalyticBridge.com.

Sponsored Announcements…

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Added by Vincent Granville on February 10, 2013 at 7:30pm — No Comments

Analytics{Benzene} => {big Pharma, Nanotechnologies}

Benzene (C6H6) is the last fundamental chemical compound to have had is atomic structure uncovered. This discovery led the path to

  • Creating large numbers of complex synthetic molecules using computer simulations and deep mathematics (which in turn led to the explosion of synthetic drugs in big…
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Added by Vincent Granville on February 10, 2013 at 1:30pm — 3 Comments

7 questions for modern software engineers

Here we go. Enjoy the reading, and feel free to contribute.

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Added by Vincent Granville on February 9, 2013 at 6:28pm — No Comments

AnalyticBridge announcement

We have created a new Data Science Central channel for big data practitioners: Big Data News. Join me on BigDataNews.com.

Read my new technical article What MapReduce can't…

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Added by Vincent Granville on February 1, 2013 at 11:17am — No Comments

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