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Vincent Granville's Blog (62)

New Books and Resources for DSC Members

We are in the process of writing and adding new material (compact eBooks) exclusively available to our members, and written in simple English, by world leading experts in AI, data science, and machine learning. We invite you to sign up here to not miss these free books. …


Added by Vincent Granville on February 4, 2020 at 8:00am — No Comments

Debunking Forbes Article about the Death of the Data Scientist

In a recent article (February 2019) published in Forkes (see here) it was argued that there will be no data science job titles by 2029. The author wrote that Automation is coming for many tasks data scientists perform, including machine learning.

I disagree. If you haven't automated most of your tasks yet, you are not…


Added by Vincent Granville on February 4, 2019 at 4:30pm — No Comments

Invitation to Join Data Science Central

Join the largest community of machine learning (ML), deep learning, AI, data science, business analytics, BI, operations research, mathematical and statistical professionals: Sign up here. If instead, you are only interested in receiving our newsletter, you can subscribe here. There is no…


Added by Vincent Granville on September 8, 2018 at 10:18am — No Comments

Black Hat Data Science

Black hat data science consists of techniques designed to fool existing algorithms (Google search, Amazon rankings, and so on), compromising or tampering with the metrics -- especially ratios -- that they rely on, without actually physically touching or altering data stored in their databases. It exploits flaws in these algorithms, and it also relies on reverse engineering, to achieve its goal. So black hat data science is different from traditional hacking,…


Added by Vincent Granville on May 23, 2018 at 9:00am — No Comments

Top Game Changing Data Trends for 2018

These predictions for 2018 are from Infologix.

“Metadata management and ensuring data privacy for regulations such as GDPR joins earlier trends like AI and IoT, but the unexpected trend of 2018 will be the convergence of data management technologies,” said Emily Washington, senior vice president of product management at Infogix. “Big data has been the next big technology phenomenon for a long time, but businesses are increasingly evaluating ways to…


Added by Vincent Granville on December 30, 2017 at 10:59am — No Comments

Invitation to join IoT Central

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The full membership includes, in addition to the newsletter…


Added by Vincent Granville on November 29, 2017 at 11:13am — No Comments

Graph Theory: Six Degrees of Separation Problem

This famous statement -- the six degrees of separation -- claims that there is at most 6 degrees of separation between you and anyone else on Earth. Here we feature a simple algorithm that simulates how we are connected, and indeed confirms the claim. We also explain how it applies to web crawlers: Any web page is connected to any other web page by a path of 6 links at most.

The algorithm below is rudimentary and can be used for simulation purposes by any programmer: It does not even…


Added by Vincent Granville on October 24, 2017 at 11:30pm — No Comments

How Marketers Use Data Science to Increase Reach

Interesting Infographics produced by Villanova University.


Originally posted here

DSC Resources


Added by Vincent Granville on August 21, 2017 at 9:34am — No Comments

The Largest Number Ever Created

There are numbers that are so large that there is no compact formula to represent them. Think of a number so large, that its number of digits is so large, that the number of digits of its number of digits is so large... and it goes on and on -- you get the idea.

Sure, if you are able to define such a number, then add one, or even 0.5, and you get an even bigger number. But this is not the point. The issue is to come up with such massive numbers in the first place. The biggest…


Added by Vincent Granville on August 16, 2017 at 1:00pm — No Comments

12 Great Articles from Big Data News

Big Data News is one of Data Science Central channels. Below is a selection of popular articles published a while back:


Added by Vincent Granville on June 8, 2017 at 7:00pm — No Comments

How Healthcare Organizations are Applying Predictive Analytics

Glimpsing the Far Side—How Healthcare Organizations are Applying Predictive Analytics

Guest blog post by Paul Bradley


Anyone who works in healthcare—or who has pondered, even fleetingly, how it differs from other sectors of the American economy—likely won’t be surprised to hear it’s the final frontier for predictive analytics.


For indeed, while predictive analytics has long since reshaped retail, shipping & logistics, and even…


Added by Vincent Granville on August 7, 2015 at 10:30am — No Comments

Don't Go Back in Time - Infographics

Nice infographics created by the Technology Services Group. TSG have also produced a blog post to complement the infographic, which you may find useful. It talks around how much technology has shrunk over the years and yet its power has grown.…


Added by Vincent Granville on May 5, 2015 at 9:26am — No Comments

Using Big Data to Target In-Market Shoppers

Originally posted here.

Retailers know they need Big Data and are charging forward to get in the game.  But many retailers continue to face challenges. What type of data should be collected? How should the data be used to generate insights? How do I measure ROI?

Why Retailers Use Big Data

101data recently surveyed US retailers, across a range of…


Added by Vincent Granville on April 23, 2015 at 9:47am — No Comments

The Surprising Things You Don’t Know About Big Data

Infographics by AdeptiaYou’re probably familiar with the terms byte, megabyte, and gigabyte — but do you know what a terabyte is? How about a petabyte, or an exabyte?

DSC Resources

  • Career: …

Added by Vincent Granville on April 15, 2015 at 12:15pm — No Comments

Unstructured Data: InfoGraphics

Guest blog post.

Submitted by Ronan Keane.

DSC Resources


Added by Vincent Granville on March 19, 2015 at 3:00pm — No Comments

Clustering idea for very large datasets

Let's say you have to cluster 10 million points, for instance keywords. You have a dissimilarity function, available as a text file with 100,000,000 entries, each entry consisting of three data points:

Keyword A, Keyword B, distance between A and B denoted as d(A,B)

So, in short, you can perform k-NN (k-nearest neighbors) clustering or some other types of clustering, which typically is O(n^2) or worse, from a computational complexity point of view.…


Added by Vincent Granville on January 27, 2015 at 10:54am — No Comments

Big Data: The Key Vocabulary Everyone Should Understand

Guest blog post by Bernard Marr, first published here.

The field of Big Data requires more clarity and I am a big fan of simple explanations. This is why I have attempted to provide simple explanations for some of the most important technologies and terms you will come across if you’re looking at getting into big…


Added by Vincent Granville on December 12, 2014 at 1:42pm — 1 Comment

Do we really have a data obesity problem?

There has been a few people questioning the value of big data recently, and predicting that big data is going to get smaller in the future. While most of these would-be oracles are traditional statisticians working on small data and worried about their career, or practitioners in small countries (Canada and France in particular) who do not have access to big data, I was surprised to see Mike Jordan - a famous machine learning professor at Berkeley - …


Added by Vincent Granville on October 31, 2014 at 11:32pm — 1 Comment

A Comprehensive List of Big Data Statistics

This article was originally posted on Wikibon. Here I selected a few out of the dozens statistics. Enjoy the reading, and visit the original article: it also features a nice infographic on big data. It would be interesting to add stats about sensor data, or data used in engineering (NASA etc.) For instance, how many data points are used to make weather forecasts? How many synthetic molecules are simulated each…


Added by Vincent Granville on October 21, 2014 at 3:00pm — No Comments

Defining Big Data

Defining big data is now a hot topic. Berkeley University posted 40 very short definitions by thought leaders (including me). Here our goal is to offer a very detailed, comprehensive definition that (hopefully) suits everyone.

First, there are three…


Added by Vincent Granville on October 8, 2014 at 8:52am — No Comments

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