816 search results for "SQL"

Critical Data (free) Hackathon in London (Sept 6-7, 2014)

August 11, 2014
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We would like to invite you to participate in our forthcoming Critical Data Marathon a FREE event taking place in London on 6-7 September 2014. The event is collaboratively organised between researchers at Massachusetts Institute of Technology (MIT), University College London, King’s College London, and Imperial College London.The data marathon will bring together frontline healthcare providers (nurses, pharmacists, doctors) with data scientists to...

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Social Media Mining and Bioinformatics (with R)

August 5, 2014
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Social Media Mining and Bioinformatics (with R)

In June and July, I receive copies of two books, Social Media Mining with R, by Nathan Danneman and Richard Heimann Bioinformatics with R Cookbook, by Paurush Praveen Sinha For the first one, two recent interesting books deal with the same topic. Reza Zafarani, Mohammad Ali Abbasi and Huan Liu published last year Social Media Mining: An Introduction. Actually, the book can...

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Active Benchmarking in the Cloud

July 31, 2014
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Recently, Joyent published a series of benchmarks using YCSB (Yahoo Cloud Service Benchmark) comparing the performance of MongoDB, PostgreSQL, and Elasticsearch between machines running in the Joyent Public Cloud and similarly configured machines running on Amazon Web Services. When I looked at the…

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Active Benchmarking in the Cloud

July 31, 2014
By

Recently, Joyent published a series of benchmarks using YCSB (Yahoo Cloud Service Benchmark) comparing the performance of MongoDB, PostgreSQL, and Elasticsearch between machines running in the Joyent Public Cloud and similarly configured machines running on Amazon Web Services. When I looked at the…

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jpmml and R (Free Webinar)

July 28, 2014
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jpmml and R (Free Webinar)

This free, global webinar will provide an introduction to jpmml, the world’s leading open-source PMML scoring engine currently being utilized by companies such as Airbnb to rapidly deploy predictive models into production. Webinar Format: – What is PMML? – Building … Continue reading →

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Competitive balance and home court advantage in the NBA

July 6, 2014
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Competitive balance and home court advantage in the NBA

Two years ago, the entire NBA season went into lockout because of mostly financial reasons. However, one central point was also about keeping a competitive balance within the NBA, so that large and small-market teams alike would have a chance to compete for a championship. THis brings us to the obvious question “Is there competitive

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How To: 20 Minute Guide to Get Started with PivotalR

July 1, 2014
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How To: 20 Minute Guide to Get Started with PivotalR

In this article, Pivotal engineer and predictive analytics expert Hai Qian explains how someone new to R can get started performing statistical analysis on data stores in Greenplum Database, Pivotal HD and PostgreSQL in just 20 minutes using PivotalR. First, there is some background on R’s popularity, then the articles dives into important topics such as installation, data loading,...

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Maybe I Don’t Really Know R After All

June 26, 2014
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Maybe I Don’t Really Know R After All

Lately, I’ve been feeling that I’m spreading myself too thin in terms of programming languages. At work, I spend most of my time in Hive/SQL, with the occasional Python for my smaller data. I really prefer Julia, but I’m alone at work on that one. And since I maintain a package on CRAN (RSiteCatalyst), I frequently spend Related posts:

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Tailoring univariate probability distributions

June 26, 2014
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Tailoring univariate probability distributions

This post shows how to build a custom univariate distribution in R from scratch, so that you end up with the essential functions: a probability density function, cumulative distribution function, quantile function and random number generator. In the beginning all you need is an equation of the probability density function, … Continue reading →

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New Version of RStudio: R Markdown v2 and More

June 18, 2014
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New Version of RStudio: R Markdown v2 and More

Today we’re very pleased to announce a new version of RStudio (v0.98.932) which is available for download now. New features in this release include: A next generation implementation of R Markdown with a raft of new features including support for HTML, PDF, and Word output, many new options for customizing document appearance, and the ability to create presentations

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