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.
Featured Resources and Technical Contributions
ContinueAdded by Vincent Granville on June 30, 2018 at 7:30am — No Comments
Bill is the Editorial Director for Data Science Central, and President and Chief Data Scientist at Data-Magnum, providing predictive analytics and big data infrastructure projects as a service. Bill has been an active commercial predictive modeler since 2001.
In this series consisting of six…
ContinueAdded by Vincent Granville on June 29, 2018 at 5:30am — No Comments
Here is our selection of featured articles posted since Monday:
Added by Vincent Granville on June 28, 2018 at 8:30am — No Comments
These problems are for college undergrads after a first course in calculus. They are provided with solutions, and could be used by college professors as exercises or exam questions.
1. Digits of Pi/4
Prove that in base b, if b is an even integer, n > 3, and x = Pi/4, then the n-th digit of x, denoted as a(n), is given by the formula below. We start…
ContinueAdded by Vincent Granville on June 25, 2018 at 7:30pm — No Comments
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.
Announcement
Added by Vincent Granville on June 24, 2018 at 3:00am — No Comments
Interested question posted on Quora recently. Here is my take on this.
Just put the next buzz word on your resume when you graduate, maybe AI engineer? I completed my PhD in computational statistics 25 years ago. It was in fact data science (image remote sensing), but under a different name. I changed my job title from statistician to data scientist many years ago, and I may dot it again if needed. There is more and more data to process, so the need will grow, but it will grow very…
ContinueAdded by Vincent Granville on June 21, 2018 at 12:30pm — No Comments
Here is our selection of featured articles and technical resources posted since Monday:
ContinueAdded by Vincent Granville on June 21, 2018 at 8:14am — No Comments
We discuss a new approach for selecting features from a large set of features, in an unsupervised machine learning framework. In supervised learning such as linear regression or supervised clustering, it is possible to test the predicting power of a set of features (also called independent variables by statisticians, or predictors) using metrics such as goodness of fit with the response (the dependent variable), for instance using the R-squared coefficient. This makes the process of feature…
ContinueAdded by Vincent Granville on June 20, 2018 at 5:00am — 3 Comments
Bill is the Editorial Director for Data Science Central, and President and Chief Data Scientist at Data-Magnum, providing predictive analytics and big data infrastructure projects as a service. Bill has been an active commercial predictive modeler since 2001.
In this series consisting of six parts so far (and…
ContinueAdded by Vincent Granville on June 19, 2018 at 8:30pm — No Comments
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.
Announcements
Added by Vincent Granville on June 16, 2018 at 6:30am — No Comments
Here is our selection of featured articles and resources posted since Monday:
Added by Vincent Granville on June 13, 2018 at 6:30pm — No Comments
The impact of a change of scale, for instance using years instead of days as the unit of measurement for one variable in a clustering problem, can be dramatic. It can result in a totally different cluster structure. Frequently, this is not a desirable property, yet it is rarely mentioned in textbooks. I think all clustering software should state in their user guide, that the algorithm is sensitive to scale.
We illustrate the problem here, and propose a scale-invariant methodology for…
ContinueAdded by Vincent Granville on June 9, 2018 at 2:30pm — 1 Comment
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.
Announcement…
ContinueAdded by Vincent Granville on June 9, 2018 at 4:00am — No Comments
Here is our selection of featured articles and resources posted since Monday.
Contributions
Added by Vincent Granville on June 7, 2018 at 8:30am — No Comments
Bill is the Editorial Director for Data Science Central, and President and Chief Data Scientist at Data-Magnum, providing predictive analytics and big data infrastructure projects as a service. Bill has been an active commercial predictive modeler since 2001.
Bill Vorhies
In this…
ContinueAdded by Vincent Granville on June 5, 2018 at 8:51am — No Comments
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.
Added by Vincent Granville on June 3, 2018 at 10:30am — No Comments
Full title: Applied Stochastic Processes, Chaos Modeling, and Probabilistic Properties of Numeration Systems. An alternative title is Organized Chaos. Published June 2, 2018. Author: Vincent Granville, PhD. (104 pages, 16 chapters.)
This book is intended for professionals in data science, computer science, operations research, statistics, machine learning, big data, and mathematics. In 100 pages, it…
ContinueAdded by Vincent Granville on June 2, 2018 at 9:00am — 28 Comments
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