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November 2013 Blog Posts (39)

How to compare and rank data science programs?

I started an attempt at program comparison in my article Zipfian Academy versus Data Science Apprenticeship, comparing two apples, rather than comparing apples (stuff like our program, known as…


Added by Vincent Granville on November 16, 2013 at 10:00am — 10 Comments

Weekly digest - November 18

Sponsored Announcements


Added by Vincent Granville on November 14, 2013 at 4:30pm — No Comments

Sports Analytics: Is It Only For Developed Countries?

It is a known fact that development of sports activities is not a top priority in the national budget of most of the developing countries. It can also be established that sports activities are not an active part of the…


Added by Ashish Soni on November 13, 2013 at 10:17pm — No Comments

Hidden decision trees revisited

This is a revised version of an earlier article posted on AnalyticBridge. The most recent article on this topic can be found here. …


Added by Vincent Granville on November 13, 2013 at 8:30pm — 4 Comments

Fast Combinatorial Feature Selection with New Definition of Predictive Power

In this article, I proposes a simple metric to measure predictive power. It is used for combinatorial feature selection, where a large number of feature combinations need to be ranked automatically and very fast, for instance in the context of transaction scoring, in order to optimize predictive models. This is about rather big data, and we would like to see an Hadoop methodology for…


Added by Vincent Granville on November 13, 2013 at 10:30am — 15 Comments

Honeybees, Hive, and Presto


Recently I've been pondering on the idea of synergy, which I relate to the Honeybee Effect. Also, somewhat related is Hadoop's module Hive, for querying large databases. Apparently, Facebook has made their own big data module for SQL-like queries (Presto) open-source about 7 days ago, making waves in the big data scene. What are your views on these matters?


Further reading:



Added by Dr. Z on November 13, 2013 at 5:00am — No Comments

New England Natural gas Supply Dynamic during October 2013

We are in fall and days are getting colder. soon winter will be on us and all our homes will be heated.  check out Natural gas flow dynamics for New England region during the month of October 2013. 

We have used Algonquin pipeline flow data and natural gas price curves from ICE ( Intercontinental exchange).

Natural Gas Supply Dynamics 

Added by Parag Patil on November 11, 2013 at 9:44am — No Comments

Visualization - Trading Without Numbers

In this blog, I share some images from an application called Storm.  I wrote the program many years ago.  Storm has the ability to generate 3-dimensional plumes from a stream of data.  It also has an unusual feature that allows the user to trade based on the kinetics - effectively eliminating the need to know about pricing.  At this time, I would like to draw a clear distinction between trading and investing.  I should also point out that I used Storm for recreational…


Added by Don Philip Faithful on November 10, 2013 at 5:58pm — No Comments

Big Data Analytic and Important Question

An important question in the contemporary world of social media and the business ventures using Cloud seems like hype. Organizations, academics are trying to introduce Big Data analytic curriculum to solve associated analysis problems, which seems not to be handled by the graduates and experts of Statistics, Mathematics, Biologists, Chemists and also Sociologists, we do not even discuss rest for the sake of readers’ time. 

Big Data as we have so far discovered by the research, print…


Added by Atif Farid Mohammad on November 10, 2013 at 6:00am — No Comments

Plotly Beta: Graphing and Analytics Platform

Hey Data Scientists,

I wanted to reach out about, a new startup for analyzing and beautifully visualizing data. We just launched a beta.

It is built for math, science, and data applications. We'd love your thoughts.


  • You can import data from anywhere, and analyze it in our grid with stats, fits, functions, and…

Added by Matthew Sundquist on November 9, 2013 at 10:40pm — No Comments

Zipfian Academy versus Data Science Apprenticeship

Both programs are alternatives to university curricula and traditional education. Both are run by leading industry professionals rather than academic leaders. Zipfian offers a 12-week program, the Data Science Apprenticeship (DSA, organized by us at DSC - Data Science Central) is a 6-month program.…


Added by Vincent Granville on November 9, 2013 at 9:00am — 3 Comments

A Practical Introduction to Data Science from Zipfian Academy

There are plenty of discussions about what data science is, what defines a data scientist, and how to position yourself as a …


Added by Katie Kent on November 8, 2013 at 4:12pm — 1 Comment

Analytics In Healthcare Industry

In very simple words, the process of predicting the probability of an event using mathematical models is defined as predictive modelling. In different fields there has been a wide-spread application of predictive modelling. This is mainly for the purpose of decision making. Recently, the technological advancements have made it possible for predictive modelling to expands its reach within the healthcare sector.

Making right decisions at the right time is the success…


Added by Ashish Soni on November 8, 2013 at 1:21am — No Comments

More than 100 data science, analytics, big data, visualization books

Also, coming soon (March 2014), my data science book published by Wiley, full of new material. I have written 6.5 chapters out of 8 so far, and I will share the table of content in our next weekly digest. This 300+ pages book will be our reference book for our…


Added by Vincent Granville on November 6, 2013 at 3:00pm — 10 Comments


What is Information System Governance?

The objective of IT governance is to maximize the added value of IT to the company strategy in its definition as well as in its application. It means it leads the developments, the implementation and the use of IT. According to the governance experts it has to be pre-schedule, planned, transparent, fair and efficient. Thus it is important to:

Organize a governance structure (setting up of a department including stakeholder’s…


Added by Michel Bruley on November 6, 2013 at 4:43am — No Comments

The assumptions on which the RDBMS is based has changed: the ideal data structure

We have been using tables in the relational database, mostly for the transactional purposes, and that proves effective. Considering the data size and analytic purpose, however, the data structure might need to be redesigned for better efficiency.

To determine how to decompose the complexity of big data, we have observed the way the organisms function. In the physical world, the universe is organized into a hierarchy of…


Added by Yuanjen Chen on November 3, 2013 at 10:29pm — No Comments

The Book: Big Data, NoSQL, Cloud A Paradigm Shift

It seems there are many books available and there are many on the topics of Big Data, NoSQL and Cloud, however for non-technical managers/executives, these sound Buzz Words. The book on this topic is now available at the given link: This is a book for the readers, who want to explore the knowledge about Big Data, NoSQL (Not only Structured Query Language) and Cloud, which is a paradigm shift that we are witnessing…


Added by Atif Farid Mohammad on November 3, 2013 at 10:05am — No Comments

Data Science Project: Captcha Attack

Here's an interesting project for future data scientists: designing an algorithm that will

  • Correctly identify the hidden code 90% of the time
  • Make recommendations to improve captcha systems…


Added by Vincent Granville on November 2, 2013 at 9:30am — 1 Comment

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