Notes from the Kölner R meeting, 26 June 2015

June 30, 2015
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Notes from the Kölner R meeting, 26 June 2015

Last Friday the Cologne R user group came together for the 14th time, and for the first time we met at Startplatz, a start-up incubator venue. The venue was excellent, not only did they provide us with a much larger room, but also with the whole infrastructure, including table-football and drinks. Many thanks to Kirill for organising all...

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PRESS RELEASE: Mango Solutions and The R Consortium

June 30, 2015
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PRESS RELEASE: Mango Solutions and The R Consortium

Mango Solutions announces its key involvement with the newly launched R Consortium to support millions of users around the world   Mango Solutions, the leading data science company based...

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Announcing the R Consortium

June 30, 2015
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Announcing the R Consortium

The R community has grown explosively over the past few years, both in terms of the number of R users and the number of companies who rely on R...

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Accelerating R: RStudio and the new R Consortium

June 30, 2015
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Accelerating R: RStudio and the new R Consortium

To paraphrase Yogi Berra, “Predicting is hard, especially about the future”. In 1993, when Ross Ihaka and Robert Gentleman first started working on R, who would have predicted that...

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Exploring SparkR

Exploring SparkR

A colleague from work, asked me to investigate about Spark and R. So the most obvious thing to was to investigate about SparkR -;)I installed Scala, Hadoop, Spark and...

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My Yahoo talk is now online

June 29, 2015
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Last week I gave a talk in the Yahoo! Big Thinkers series. The video of the talk is now online and embedded below.

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Get by with a little (R) help from your friends (at GitHub)

June 29, 2015
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Get by with a little (R) help from your friends (at GitHub)

@JennyBryan posted her slides from the 2015 R Summit and they are a must-read for instructors and even general stats/R-folk. She’s one of the foremost experts in R+GitHub and...

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Generalized Linear Mixed Models: the FAQ

June 29, 2015
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Mixed models (which include random effects, essentially parameters drawn from a random distribution) are tricky beasts. Throw non-Normal distributions into the mix for Generalized Linear Mixed Models (GLMMs), or...

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DataCamp talks @user2015aalborg

June 29, 2015
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DataCamp talks @user2015aalborg

The team behind DataCamp is getting ready for its third useR! attendance in as many years. This year we will contribute two talks. One on teaching R in class,...

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Everyone loves R markdown and Github; stories from the R Summit, day two

June 28, 2015
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Everyone loves R markdown and Github; stories from the R Summit, day two

More excellent talks today! Andrie de Vries of Microsoft kicked off today’s talks with a demo of checkpoint. This is his package for assisting reproducibility by letting you install...

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Shiny finally has a colour picker – use colourInput to select colours in Shiny apps

June 28, 2015
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Shiny finally has a colour picker – use colourInput to select colours in Shiny apps

I don’t always think Shiny is missing anything, but when I do - I fill in the gap myself. That was meant to be read as The Most...

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dendextend version 1.0.1 + useR!2015 presentation

June 28, 2015
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dendextend version 1.0.1 + useR!2015 presentation

My R package dendextend (version 1.0.1) is now on CRAN! The dendextend package Offers a set of functions for extending dendrogram objects in R, letting you visualize and compare...

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Generalizing from Marketing Research: The Right Question and the Correct Analysis

June 28, 2015
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Generalizing from Marketing Research: The Right Question and the Correct Analysis

The marketing researcher asks some version of the following question in every study, "Tell me what you want?" The rest is a summary of the notes taken during the...

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Bio7 at the useR! Conference 2015

June 28, 2015
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I recently released a new version of Bio7 just in time and planned for the useR conference 2015 where I will present Bio7 in the Ecology oral session titled:...

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DotCity: a game written in R? and other statistical computer games?

June 28, 2015
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DotCity: a game written in R? and other statistical computer games?

A while back I recommended Nathan Uyttendaele’s beginner’s guide to speeding up R code. I’ve just heard about Nathan’s computer game project, DotCity. It sounds like a statistician’s minimalist...

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Deaths in the Netherlands by cause and age

June 28, 2015
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Deaths in the Netherlands by cause and age

I downloaded counts of deaths by age, year and mayor cause from the Dutch statistics site. In this post I do some plots to look at causes and changes...

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The Workflow of Infinite Shame, and other stories from the R Summit

June 27, 2015
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The Workflow of Infinite Shame, and other stories from the R Summit

At day one of the R Summit at Copenhagen Business School there was a lot of talk about the performance of R, and alternate R interpreters. Luke Tierney of...

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What is a good Sharpe ratio?

June 27, 2015
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We have previously written that we like the investment performance summary called the Sharpe ratio (though it does have some limits). What the Sharpe ratio does is: give you...

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Open Analytics @ UseR! 2015

June 27, 2015
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Saturday 27 June 2015 - 22:47 The knarrs of Open Analytics have left the port of Antwerp on their way to Denmark....

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When did same-sex marriage laws become effective by state?

June 26, 2015
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When did same-sex marriage laws become effective by state?

In light of the good news today that the Supreme Court ruled that same-sex couples have the right to marry in the United States, we thought we'd look when...

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Bio7 2.2 for Windows, Linux and MacOSX released

June 26, 2015
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Bio7 2.2 for Windows, Linux and MacOSX released

26.06.2015 I released a new version of Bio7 for Windows, Linux and MacOSX simultaneously. This release is based on Eclipse 4.5 which was published on Wednesday. It comes bundled...

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Rperform: Obtaining quantitative metrics across R package versions

June 26, 2015
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Rperform: Obtaining quantitative metrics across R package versions

After almost a month since the start of the official coding period, the package Rperform is now ready with its initial suite of functions. Building on the proof-of-concept code...

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A bit about Win-Vector LLC

June 26, 2015
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Win-Vector LLC is a consultancy founded in 2007 that specializes in research, algorithms, data-science, and training. (The name is an attempt at a mathematical pun.) Win-Vector LLC can complete...

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R at Microsoft

June 26, 2015
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I was honoured to be the presenter at (http://www.meetup.com/R-Users-Sydney/events/223092608/), the (http://blog.revolutionanalytics.com/2015/04/r-user-group-meetings-this-week-in-the-bay-area-and-around-the-world.html) worldwide. The topic of my presentation was "R at Microsoft",...

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Introduction to Monte Carlo methods with R and Bayesian Essentials with R

June 26, 2015
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Introduction to Monte Carlo methods with R and Bayesian Essentials with R

Here are the  download figures for my e-book with George as sent to me last week by my publisher Springer-Verlag.  With an interesting surge in the past year. Maybe...

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An Attempt to Understand Boosting Algorithm(s)

June 26, 2015
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An Attempt to Understand Boosting Algorithm(s)

Tuesday, at the annual meeting of the French Economic Association, I was having lunch Alfred, and while we were chatting about modeling issues (econometric models against machine learning prediction),...

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remote update, paper & poster

June 26, 2015
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remote update, paper & poster

Just a few quick lines today to announce an update to the remote package (1.0.0 now on CRAN) We have uploaded a first major release of remote to CRAN...

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Geomorph update 2.1.6 Now Available!

June 25, 2015
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Geomorph users,We have uploaded version 2.1.6 of geomorph* to CRAN. The windows and mac binaries have been compiled and the tarball is available.New Features:New globalIntegration() function for evaluating integration vs. self-similarity...

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KDD Cup 2015: The story of how I built hundreds of predictive models….And got so close, yet so far away from 1st place!

June 25, 2015
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KDD Cup 2015: The story of how I built hundreds of predictive models….And got so close, yet so far away from 1st place!

(This article was first published on Data Until I Die!, and kindly contributed to R-bloggers) The challenge from the KDD Cup this year was to use their data relating...

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