Since they made marijuana legal in Washington state, I went to one of my favorite restaurants in Seattle, and discovered that they now use marijuana as an ingredient in their famous recipes, in particular in their smoky macarons.
It has absolutely no effect (mind altering) on me, but it also reminded me when I was young and tried a few drugs: none produced anything other than mechanical effect (increased heart beat) on me. Even…
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This is data science from the trenches - both a case study, and a tutorial for data sciencist candidates. Here I illustrate how gut feelings, carefully selected data (rather than getting granular data), full understanding of business (horizontal knowledge), high level vision, and outsourcing (to make data science almost free) combined together, makes a data science project…
ContinueAdded by Vincent Granville on March 27, 2014 at 10:30am — 2 Comments
The discovery process used by data scientists commonly consists of four steps (see also Figure 1):
Added by Vincent Granville on March 26, 2014 at 8:00pm — No Comments
The field of data science continues to grow, and with it come thought leaders who contribute to the industry through outreach and education. Many of the data science professors teaching today are leaders in the big-data field, speaking at conferences, writing books, and even creating groundbreaking big-data developments themselves. Find out which schools boast the most influential leaders in the data science industry.
Added by Vincent Granville on March 26, 2014 at 6:11pm — 3 Comments
Data Scientists Salary Survey shows that industry data scientists are in a sweet spot, especially in US, Canada, and Australia, with average salary $135K. European and Asian data scientists salaries are significantly lower.
Added by Vincent Granville on March 25, 2014 at 8:30am — No Comments
Resources
Added by Vincent Granville on March 21, 2014 at 10:00am — No Comments
In connection with our proposed methodology to create a black-box, automated, easy-to-interpret, sample-based, robust technique called jackknife regression, to be used in small and big data environments by non-statisticians, We offer an award and massive promotion to the successful candidate who
Added by Vincent Granville on March 20, 2014 at 9:00pm — 1 Comment
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This article discusses a far more general version of the technique described in our article The best kept secret about regression. Here we adapt our methodology so that it applies to data sets with a more complex structure, in particular with highly correlated independent variables.…
ContinueAdded by Vincent Granville on March 19, 2014 at 4:00pm — 11 Comments
This permanent experimental design setting allow you to learn, participate or check out the results at any time, as data is gathered and reported in real time. This article illustrates a few concepts:
You can…
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Added by Vincent Granville on March 13, 2014 at 5:30pm — No Comments
Update: The most recent article on this topic can be found here.
All the regression theory developed by statisticians over the last 200 years (related to the general linear model) is useless. Regression can be performed as accurately without statistical models, including the computation of confidence intervals (for estimates, predicted values or…
ContinueAdded by Vincent Granville on March 13, 2014 at 11:30am — 18 Comments
Stack exchange data dump
This is an anonymized dump of all user-contributed content on the Stack Exchange network. Each site is formatted as a separate archive consisting of XML files zipped via 7-zip using bzip2 compression. Each site archive includes Posts, Users, Votes, Comments, PostHistory and PostLinks. For complete schema information, see the included readme.txt.…
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Here's my list:
Added by Vincent Granville on March 12, 2014 at 9:00am — No Comments
This is an area of data science that the public is less familiar with. This example involves small data, simulations, and 18 years old crowdsourcing.
It's an attempt to explain the cause of the TWA Flight 800 that exploded near New York on July 17, 1996. I raised the possibility that a potential cause for the Malaysia Airlines flight that went missing last week, was being hit by a missile (accidental or not). Likewise, many people still believe that TWA 800 was destroyed by a…
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Added by Vincent Granville on March 5, 2014 at 3:30pm — No Comments
While companies complain about lack of analytic talent, professionals complain about lack of jobs. Everyone wants to work for Facebook, LinkedIn, Google, Intel, Apple, Twitter or some hot start-up. It creates fierce competition getting a job interview, let alone a job. But companies that do not belong to this circle see very few candidates applying for their data scientist open positions; in addition, they are only hiring what I call technical developers (defined by a narrow set of technical…
ContinueAdded by Vincent Granville on March 3, 2014 at 1:00pm — 15 Comments
Here's the introduction. Click here to view more details about the book.
Introduction
This book is a type of “handbook” on data science and data scientists, and contains information not found in traditional…
ContinueAdded by Vincent Granville on March 1, 2014 at 10:00am — 12 Comments
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