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

Shooting stars

This is a follow up to our video series From chaos to clusters, made with data points moving over time to form clusters, and produced with open source and home-made data science algorithms.…

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Added by Vincent Granville on April 29, 2013 at 7:00pm — 1 Comment

From chaos to clusters - statistical modeling without models

Here I provide the mathematics, explanations and source code to produce the data and moving clusters in the From chaos to clusters video series.…

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Added by Vincent Granville on April 24, 2013 at 11:00pm — 8 Comments

Weekly Digest - April 22

Sponsored Announcements

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Added by Vincent Granville on April 20, 2013 at 6:00pm — No Comments

Selected articles posted this week

Sponsored

Staff Postings…

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Added by Vincent Granville on April 17, 2013 at 10:30pm — No Comments

The amateur data scientist and her projects

With so much data available for free everywhere, and so many open tools, I would expect to see the emergence of a new kind of analytic practitioners: the amateur data scientist.

Just like the amateur astronomer, the amateur data scientist will significantly contribute to the art and science, and will eventually solve…

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Added by Vincent Granville on April 17, 2013 at 5:00pm — No Comments

Three classes of metrics: centrality, volatility, and bumpiness

All statistical textbooks focus on centrality (median, average or mean) and volatility (variance). None mention the third fundamental class of metrics: bumpiness.

Here we introduce the concept of bumpiness and…

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Added by Vincent Granville on April 14, 2013 at 2:30pm — 7 Comments

How to better compete with other data scientists

In two weeks, you can greatly improve your resume by learning new stuff, at no cost, without attending any classes. All the links below contain actual material to get you started.

Check out the following resources:…

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Added by Vincent Granville on April 12, 2013 at 10:30am — No Comments

Google search: three bugs to fix with better data science

These big data problems probably impact many search engines. It also proves that there is still room for new start-up to invent superior search engines. These problems can be fixed with improved analytics and data science.

Here are the problems, and the solutions:…

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Added by Vincent Granville on April 7, 2013 at 11:00am — 6 Comments

100 Savvy Sites on Statistics and Quantitative Analysis

From OnlineMathDegrees. It's broken down in different categories: 

  • Comprehensive Statistics Sites
  • Big Data & Machine Learning…
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Added by Vincent Granville on April 2, 2013 at 9:00pm — No Comments

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