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Vincent Granville's Blog – November 2019 Archive (16)

Thursday News, November 29 - Special Thanksgiving Edition

Here is our selection of featured articles and technical resources posted since Monday. There is a lot of very interesting material in this edition.

Technical Resources

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Added by Vincent Granville on November 29, 2019 at 9:00am — No Comments

Variance, Attractors and Behavior of Chaotic Statistical Systems

We study the properties of a typical chaotic system to derive general insights that apply to a large class of unusual statistical distributions. The purpose is to create a unified theory of these systems. These systems can be deterministic or random, yet due to their gentle chaotic nature, they exhibit the same behavior in both cases. They lead to new models with numerous applications in Fintech, cryptography, simulation and benchmarking tests of statistical hypotheses. They are also related…

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Added by Vincent Granville on November 28, 2019 at 11:30pm — No Comments

New Family of Generalized Gaussian or Cauchy Distributions

The standard definition of a generalized Gaussian distribution can be found here. In this article, we explore a different type of generalized univariate normal distributions that satisfies useful statistical properties, with interesting applications. This new class of distributions is defined by its characteristic function, and applications are discussed in the last section. These…

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Added by Vincent Granville on November 27, 2019 at 8:30pm — No Comments

Weekly Digest, November 25

Monday newsletter published by Data Science Central. Previous editions can be found here. The contribution flagged with a + is our selection for the picture of the week. To subscribe, follow this link.  …

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Added by Vincent Granville on November 24, 2019 at 2:30pm — No Comments

Decision Scientist vs. Data Scientist

Originally posted by Igor Bobriakov.

Data science has become a widely used term and a buzzword as well. It is a broad field representing a combination of multiple disciplines. However, there are adjacent areas that deserve proper attention and should not be confused with data science. One of them is decision science. Its importance should not be underestimated, so it is useful to know the…

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Added by Vincent Granville on November 24, 2019 at 8:47am — No Comments

How to Build Customize Maps in Power BI?

Originally posted by Deepak Kumar Gupta. A another interesting article on this topic can be found here

In Today’s data era, it is very important to represent data in a way which is suitable for every type of user (Technical or Non-Technical). Use of data visualizations is getting increased exponentially. We have various data…
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Added by Vincent Granville on November 24, 2019 at 8:43am — No Comments

Email Classification into relevant labels using Neural Networks

Originally posted by Deepak Kumar Gupta.

Abstract

In the real world, many online shopping websites or service provider have single email-id where customers can send their query, concern etc. At the back-end service provider receive million of emails every week, how they can identify which email is belonged of a…

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Added by Vincent Granville on November 24, 2019 at 8:30am — No Comments

Thursday News, November 21

Here is our selection of featured articles and technical contributions posted since Monday

Announcements

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Added by Vincent Granville on November 21, 2019 at 12:00pm — No Comments

Weekly Digest, November 18

Monday newsletter published by Data Science Central. Previous editions can be found here. The contribution flagged with a + is our selection for the picture of the week. To subscribe, follow this link.  

Announcement…

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Added by Vincent Granville on November 17, 2019 at 10:30am — No Comments

Thursday News, November 14

Here is our selection of featured articles and technical resources posted since Monday:

Announcements

Technical Resources…

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Added by Vincent Granville on November 14, 2019 at 11:00am — No Comments

Variance of a Product of Random Variables

If X(1), X(2), ..., X(n) are independent random variables, not necessarily with the same distribution, what is the variance of Z = X(1) X(2) ... X(n)? It turns out that the computation is very simple:

In particular, if all the expectations are zero, then the…

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Added by Vincent Granville on November 10, 2019 at 10:30am — No Comments

Weekly Digest, November 11

Monday newsletter published by Data Science Central. Previous editions can be found here. The contribution flagged with a + is our selection for the picture of the week. To subscribe, follow this link.  

Featured Resources and Technical…

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Added by Vincent Granville on November 10, 2019 at 8:30am — No Comments

Thursday News, November 7

Here is our selection of featured articles and technical resources posted since Monday:

Announcements

Resources…

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Added by Vincent Granville on November 7, 2019 at 12:30pm — No Comments

AIOT Summit - Personal Invitation

Dear colleague,

I would like to personally invite you to attend a unique and interesting conference: AIoT Dev Summit which I believe is an exciting step forward in Data Science and the application within AI/ML and IoT.  The summit will take place in California on December 2nd and 3rd and as my guest you will receive a $250 discount when combined with the early bird special if you…

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Added by Vincent Granville on November 6, 2019 at 7:30am — No Comments

Weekly Digest, November 4

Monday newsletter published by Data Science Central. Previous editions can be found here. The contribution flagged with a + is our selection for the picture of the week. To subscribe, follow this…

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Added by Vincent Granville on November 3, 2019 at 11:00am — No Comments

Linear regression in Python: Using numpy, scipy, and statsmodels

The original article is no longer available. Similar (and more comprehensive) material is available below. 

Example of underfitted, well-fitted and overfitted models

Content

Regression

  • What Is…
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Added by Vincent Granville on November 2, 2019 at 2:32pm — No Comments

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