October 2014

Node.js Advisory Board

October 23, 2014 | Joyeur Article Feed

Today, Joyent and several members of the Node.js community announced a proposal for a Node.js Advisory Board as a next step towards a fully open governance model for the Node.js open source project. The Node.js Advisory Board will provide input to the Node.js project leadership ... [Read more...]

Making an R Package to use the HERE geocode API

October 23, 2014 | Cory Nissen

HERE is a product by Nokia, formerly called Nokia maps and before that, Ovi maps. It's the result of the acquisition of NAVTEQ in 2007 combined with Plazes and Metacarta, among others. It has a geocoding API, mapping tiles, routing services, and other things. I'm focused on the geocoding service. Under ... [Read more...]

Leveraging R for Econ Job Market

October 23, 2014 | Thiemo Fetzer

I wanted to describe a little helper I am using to help refine the places I want to apply at since I am going to be on the Economics Job Market this year. The two main websites were job openings are advertised are: EconJobMarket Job Openings for Economists Now JOE ... [Read more...]

simmer 2.0: a performance boost & revised syntax

October 22, 2014 | Bart

It was very clear that the performance of the first simmer version was lagging behind. The 2.0 release introduces a C++ based engine and comes with a significant performance boost versus the previous version. While the performance can always be further improved I’m currently quite satisfied with it. Future refinement ... [Read more...]

Postive Feedback in R with a Little Javascript

October 22, 2014 | klr

Let’s face it, sometimes the struggle in R can become frustrating, depressing, daunting, or just monotonous.  For those moments when you need a little positive feedback, some encouragement, or a pat on the back, I thought this might help.  Maybe I ... [Read more...]

Stan 2.5, now with MATLAB, Julia, and ODEs

October 22, 2014 | Bob Carpenter

As usual, you can find everything on the Stan Home Page. Drop us a line on the stan-users group if you have problems with installs or questions about Stan or coding particular models. New Interfaces We’d like to welcome two new interfaces: MatlabStan by Brian Lau, and  Stan.jl (... [Read more...]

translate2R: Migrate SPSS scripts to R at the push of a button

October 22, 2014 | Tobias Titze

After their presentation at the international “user!” conference, data analysis specialist eoda starts the public alpha testing of translate2R. With the start of alpha testing the innovative migration solution by the company hailing from Kassel discards the working title “translateR” and takes on the final product brand name “translate2... [Read more...]

How the MKL speeds up Revolution R Open

October 22, 2014 | Andrie de Vries

by Andrie de Vries Last week we announced the availability of Revolution R Open, an enhanced distribution of R. One of the enhancements is the inclusion of high performance linear algebra libraries, specifically the Intel MKL. This library significantly speeds up many statistical calculations, e.g. the matrix algebra that ... [Read more...]

Warm October, cold winter?

October 22, 2014 | mikerspencer

A tweet flashed by a couple of days ago hoping that a warm October might indicate a cold winter: It’s a straightforward enough hypothesis, although one I think we all can agree seems… Continue reading →
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Prediction intervals too narrow

October 21, 2014 | Rob J Hyndman

Almost all prediction intervals from time series models are too narrow. This is a well-known phenomenon and arises because they do not account for all sources of uncertainty. In my 2002 IJF paper, we measured the size of the problem by computing the actual coverage percentage of the prediction intervals on ... [Read more...]

Add external code to Rmarkdown

October 21, 2014 | Christoph Safferling

Ever been in a position to write a documentation or report about complex R code? Take a Shiny dashboard for example, or other big projects. Maybe you heard it already, with RMarkdown you can simply write markdown code, add some R code to it and render it to pdf, static ... [Read more...]

Rock around the data clock

October 21, 2014 | Christoph Safferling

I had to visualize an hourly distribution of some KPI (assume logins / registrations / purchases per hour), so the idea was, why not build a clock? It’s a nice and intuitive way to present this data. The problem is, that the clock has only 12 hours which are used twice a ... [Read more...]
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