April 2014

In case you missed it: March 2014 roundup

April 7, 2014 | David Smith

In case you missed them, here are some articles from March of particular interest to R users: Francis Smart offers five excellent reasons to use R, and notes that R is the top Google Search for statistical software. Revolution Analytics is offering R training for SAS users in Singapore and ... [Read more...]

R jobs (April 7th 2014)

April 7, 2014 | Tal Galili

Last month I announced the launch of, a new R jobs website for R users, called: R-users.com. My intention is to post new jobs on r-bloggers around twice a month. You are [Read more...]

R Continues Its Rapid Growth

April 7, 2014 | Bob Muenchen

I’ve just updated the section below from The Popularity of Data Analysis Software. Note that the overall article is still under construction and all the figure numbers have changed from previous versions. Growth in Capability The capability of analytics software … Continue reading → [Read more...]

Earthquake Magnitude / Depth Chart

April 7, 2014 | andrew

I am working on a project related to secondary effects of earthquakes. To guide me in the analysis I need a chart showing the location, magnitude and depth of recent earthquakes. There are a host of such charts available already, but since I had the required data on hand, it ... [Read more...]

Active or Passive?

April 7, 2014 | Thomas Huben

We all heard the story several times that active Managers are not worth the Management Fee they charge you or more nicely phrased Active Manager hardly add value.Let's assume our Active Manager is benchmarked against the DAX. We are investigating if a ... [Read more...]

Stationarity of ARCH processes

April 6, 2014 | arthur charpentier

In the context of AR(1) processes, we spent some time to explain what happens when  is close to 1. if  the process is stationary, if  the process is a random walk if  the process will explode Again, random walks are extremely interesting processes, with puzzling properties. For instance, as , and the ... [Read more...]

Job at Center for Open Science

April 6, 2014 | Rob J Hyndman

This looks like an interesting job. Dear Dr. Hyndman, I write from the Center for Open Science, a non-profit organization based in Charlottesville, Virginia in the United States, which is dedicated to improving the alignment between scientific values and scientific practices. We are dedicated to open source and open science. ... [Read more...]

data scientist position

April 6, 2014 | xi'an

Our newly created Chaire “Economie et gestion des nouvelles données” in Paris-Dauphine, ENS Ulm, École Polytechnique and ENSAE is recruiting a data scientist starting as early as May 1, the call remaining open till the position is filled. The location is in one of the above labs in Paris, the ... [Read more...]

More on freqparcoord

April 6, 2014 | matloff

In a previous post, I introduced my new package with Yingkang Xie, freqparcoord. Here I’ll illustrate some of the other uses to which the package can be applied. The freqparcoord package visualizes multivariate data by plotting the most frequent cases in the data, as defined by multivariate density estimation. ... [Read more...]

Author inflation in academic literature

April 6, 2014 | benjaminlmoore

There seems to be a general consensus that author lists in academic articles are growing. Wikipedia says so, and I’ve also come across a published letter and short Nature article which accept this is the case and discuss ways of … Continue reading → [Read more...]

On the rise of Big Data and Data Science

April 5, 2014 | tlfvincent

This post is going to differ slightly from the data-orientated material that I usually publish. I was recently playing around with the Google trends API and came across some very interesting…well….trends. There has definitely been a huge amount of publicity surrounding “Big Data”, maybe even too much. For ... [Read more...]

Call Python from R through Rcpp

April 5, 2014 | Rcpp Gallery

Introduction This post provides a brief introduction to calling Python from R through Rcpp. The official Python documentation explains how to embed python into C/C++ applications. Moreover, the Boost.Python library provides seamless interoperability between C++ and the Python programming language. Similarlly, Rcpp provides interoperability between C++ and R. ...
[Read more...]

Five Reasons to Teach Elementary Statistics With R: #1

April 5, 2014 | Homer White

Introduction Reason #1: Package mosaic Keeping Simple Things Simple Flow-Control for the Masses There is Much More References Introduction This is is first in a projected five-part series of posts aimed at colleagues who teach elementary statistics. I can’t remember exactly how I first made acquaintance with R, but it’... [Read more...]

Choose Your Own Data Adventure

April 5, 2014 | dgrapov

The question is: can we automate scientific discovery, and what might an interface to such a tool look like. I’ve been experimenting with automating simple and complex data analysis and report generation tasks for biological data and mostly using R and LATEX. You can see some of my progress ... [Read more...]

Making inferences about unusual population quantities.

April 4, 2014 | BioStatMatt

This post builds on my last: Alternatives to model diagnostics for statistical inference?, where I had claimed that we could make quality inferences about the best linear approximation to a quadratic relationship. The R code below implements such a scenario, to establish a framework for discussion. I have inserted comments ... [Read more...]

Scraping organism metadata for Treebase repositories from GOLD using Python and R

April 4, 2014 | What is this? David Springate's personal blog :: R

Scraping organism metadata for Treebase repositories from GOLD using Python and R I recently wanted to get hold of habitat/phenotype/sequencing metadata for the individual organisms of an archived Treebase project.) The GOLD database holds more than 18000 full genomes. For many of these it provides pretty good metadata (GOLDcards) ... [Read more...]
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