OpenCPU Release 1.5

July 4, 2015
By
OpenCPU Release 1.5

Following a few weeks of testing, OpenCPU 1.5 has been released. OpenCPU is a production-ready framework for embedded statistical computing with R. The system provides a neat API for remotely calling R functions over HTTP via e.g. JSON or P...

Read more »

The Greek thing II

July 4, 2015
By
The Greek thing II

Just few hours before Greeks head to the polls to decide on the bailout agreement, and ultimately, whether the country will stay in the euro, there is no overwhelming...

Read more »

The Greek thing

July 4, 2015
By
The Greek thing

Greeks have been quite volatile on their opinion whether they should accept or not a proposal by the country's creditors for more austerity to keep aid flowing. The polls...

Read more »

IFAR Draft Submitted

July 4, 2015
By
IFAR Draft Submitted

I have submitted a draft of the Introduction to Fisheries Analyses with R to the publisher.  It will now be submitted to a thorough editorial review in preparation for...

Read more »

The Nature of Heterogeneity in Coevolving Networks of Customers and Products

July 3, 2015
By
The Nature of Heterogeneity in Coevolving Networks of Customers and Products

The genre shirt asks, "What kind of music do u listen 2?"Microgenres exist because markets are fragmenting and marketers need names to attract emerging customer segments with increasingly specific...

Read more »

A Tutorial on Writing Simulation Apps in Shiny

July 3, 2015
By

I stand in awe of the R wizards who post their latest and greatest Shiny feats on R-Bloggers. It’s taken me a while to find my...

Read more »

Chronicles from useR! – day 3

Chronicles from useR! – day 3

I survived to the Conference Dinner and I took the last

Read more »

Review: Machine Learning with R Cookbook

July 3, 2015
By

"Machine Learning with R Cookbook" by Chiu Yu-Wei is nothing more or less than it purports to be: a collection of 110 recipes for applying Data Analysis and Machine...

Read more »

FSA Modifications

July 3, 2015
By
FSA Modifications

I am nearly ready to submit a draft of the Introduction to Fisheries Analysis with R book to the publisher.  Relatedly, I am preparing the FSA package to be...

Read more »

The state of assertions in R

July 3, 2015
By
The state of assertions in R

“Assertion” is computer-science jargon for a run-time check on your code. In R , this typically means function argument checks (“did they pass a numeric vector rather than a...

Read more »

SparkR with Rstudio in Ubuntu 12.04

July 3, 2015
By
SparkR with Rstudio in Ubuntu 12.04

Welcome to the blog post! It’s been long time since I wrote last post. I was recently searching about big data with R and I found sparkR package. Few...

Read more »

useR 2015: it’s a wrap!

July 3, 2015
By

The latest worldwide R user conference has just wrapped up in Aalborg, Denmark and useR! 2015 was the best yet. A hearty round of applause to the organizers for...

Read more »

Chronicles from useR! – day 2

July 2, 2015
By
Chronicles from useR! – day 2

As written by my colleague Nicola in the post of day 1,

Read more »

Exploring the Demographics of Ferguson, Missouri

July 2, 2015
By
Exploring the Demographics of Ferguson, Missouri

One interesting feature of Census data is that it can help us to better understand current events and claims by the media. For example, the news coverage of the...

Read more »

3-step lesson, going into the life of machine learning

July 2, 2015
By
3-step lesson, going into the life of machine learning

Automatic Machine Learning Introduction "I want to develop a model that automatically learns over time", a really challenging objective. We'll develop in this post a procedure that loads data,...

Read more »

An Update on Boosting with Splines

July 2, 2015
By
An Update on Boosting with Splines

In my previous post, An Attempt to Understand Boosting Algorithm(s), I was puzzled by the boosting convergence when I was using some spline functions (more specifically linear by parts and...

Read more »

R brut

July 2, 2015
By
R brut

Filed under: Kids, pictures, R, Statistics, University life Tagged: cex, pch, plot, R

Read more »

Get your R education going with GitHub

July 2, 2015
By
Get your R education going with GitHub

by Joseph Rickert Last week, I was fortunate enough to attend the R Summit & Workshop, an invitation only event, held at the Copenhagen Business School. The abstracts for...

Read more »

Chart makeover – Unisys Security Insights Survey

July 2, 2015
By
Chart makeover – Unisys Security Insights Survey

It seems that not a day goes by without some information security vendor releasing a report based on a survey. Thankfully, this post is not about the efficacy of...

Read more »

The R Consortium: what does it mean for me?

July 2, 2015
By

By Andy Nicholls, Head of Consulting Earlier this week a press release from the Linux Foundation formally unveiled The R Consortium: “a group of businesses organized under an open source...

Read more »

iptools 0.2.0 is now on CRAN

July 1, 2015
By

We are happy to announce that the iptools package is now on CRAN. Formerly only available on GitHub, iptools now compiles under Debian/Ubuntu, Fedora/CentOS/RedHat and Mac OS...

Read more »

Persistent data storage in Shiny apps

July 1, 2015
By

This article is also published on RStudio’s Shiny Articles Shiny apps often need to save data, either to load it back into a different session or to...

Read more »

From cats to zombies, Wednesday at useR2015

July 1, 2015
By
From cats to zombies, Wednesday at useR2015

The morning opened with someone who I was too bleary eyed to work out who it was. Possibly the dean of the University of Aalborg. Anyway, he said that...

Read more »

3D Graphing & Maps For Excel, R, Python, & MATLAB: Gender & Jobs, a 3D Gaussian, Alcohol, & Random Walks

July 1, 2015
By
3D Graphing & Maps For Excel, R, Python, & MATLAB: Gender & Jobs, a 3D Gaussian, Alcohol, & Random Walks

Showing a third dimension on a flat computer screen is usually hard. Plotly’s interactive 3D graphing changes that. You can zoom, toggle, pan, rotate, spin, see data on the...

Read more »

Chronicles from useR! – day 1

Chronicles from useR! – day 1

Today I woke up for the first time in Aalborg. My colle

Read more »

News from UseR!2015 – the RHadoop tutorial

July 1, 2015
By
News from UseR!2015 – the RHadoop tutorial

by Andrie de Vries Today is the first day of UseR!2015 conference in Aalborg in Northern Denmark. But yesterday was a day packed with 16 tutorials on a range...

Read more »

Variable Selection using Cross-Validation (and Other Techniques)

July 1, 2015
By
Variable Selection using Cross-Validation (and Other Techniques)

A natural technique to select variables in the context of generalized linear models is to use a stepŵise procedure. It is natural, but contreversial, as discussed by Frank Harrell  in a great...

Read more »

useR 2015: Computational

July 1, 2015
By
useR 2015: Computational

These are my initial notes from useR 2015. I will/may revise when I have time. Computational Performance; Chair: Dirk Eddelbuettel Running R+Hadoop using Docker Containers (E. James Harner) Introduction...

Read more »

Trigonometric Pattern Design

July 1, 2015
By
Trigonometric Pattern Design

Triangles are my favorite shape, three points where two lines meet (Tessellate, Alt-J) Inspired by recurrence plots and by the Gauss error function, I have done the following plots....

Read more »