December 2014

R in Nature, Mashable

December 31, 2014 | David Smith

R was recently the subject of a feature article in the prestigious science magazine Nature: Programming tools: Adventures with R. Besides being free, R is popular partly because it presents different faces to different users. It is, first and foremost, a programming language — requiring input through a command line, which ... [Read more...]

Interactive Simple Networks

December 31, 2014 | jlebeau

This post isn't anything new in terms of analysis, but just a cooler look at a previous post.  I looked at board members of large companies in a previous blog post and showed via a simple network how they share board members and provided some... [Read more...]

digest 0.6.8

December 31, 2014 | Thinking inside the box

Release 0.6.8 of digest package is now on CRAN and will get to Debian shortly. This release opens the door to also providing the digest functionality at the C level to other R packages. Wush Wu is going to use the murmurHash C implementation in his r... [Read more...]

SAS is #1…In Plans to Discontinue Use

December 30, 2014 | Bob Muenchen

I’ve been tracking The Popularity of Data Analysis Software for many years now, and a clear trend is the decline of the market share of the bigger analytics firms, notably SAS and SPSS. Many people have interpreted my comments as implying … Continue reading → [Read more...]

Plot with ggplot2 and plotly within knitr reports

December 30, 2014 | Plotly

Plotly is a platform for making, editing, and sharing graphs. If you are used to making plots with ggplot2, you can call ggplotly() to make your plots interactive, web-based, and collaborative. For example, see plot.ly/~marianne2/166, shown below. Notice the hover text! The “plotly” R package lets you use ...
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Widgets For Christmas

December 30, 2014 | klr

For Christmas, I generally want electronic widgets, but after six months of development, all I wanted this Christmas was htmlwidgets, and Santa RStudio/jj,joe,yihui and Santa Ramnath delivered early with this RStudio tweet on December 17th. htmlwidget... [Read more...]

The 6th Spanish R Users Conference

December 30, 2014 | Joseph Rickert

by Emilio L. Cano The VI Spanish R Users Conference took place on October 23 and 24 in Santiago de Compostela (Spain). It was a two-day event with a variety of talks and workshops about the R statistical software and programming language and its applications. First of all, let me thank all ... [Read more...]

Mapping San Francisco crime

December 30, 2014 | Sharpsight Admin

When I was working as a data scientist at Apple in Silicon Valley, I’d drive up to San Francisco on nights and weekends to meet a girl for dinner or go to a meetup. I sort of fell in love with the city, and ... The post Mapping San Francisco ... [Read more...]

OpenCPU release 1.4.6: gzip and systemd

December 29, 2014 | Jeroen Ooms

OpenCPU server version 1.4.6 has been released to launchpad, OBS, and dockerhub (more about docker in a future blog post). I also updated the instructions to install the server or build from source for rpm or deb. If you have a running deployme...
[Read more...]

top posts for 2014

December 29, 2014 | xi'an

Here are the most popular entries for 2014: 17 equations that changed the World (#2) 995 Le Monde puzzle [website] 992 “simply start over and build something better” 991 accelerating MCMC via parallel predictive prefetching 990 Bayesian p-values 960 posterior predictive p-values 849 Bayesian Data Analysis [BDA3] 846 Bayesian programming [book review] 834 Feller’s shoes […] [Read more...]

WrightMap and TAM – Example continued…

December 29, 2014 | R Snippets for IRT

As a follow up on the previous about integrating the TAM and WrightMap packages, we received a message from one of the TAM developers, Alexander Robitzsch, suggesting that it is possible to generate the Wright Map directly from the MML estimated distribution (instead of using the WLE estimates used in ...
[Read more...]

First Day of the Month, Using R

December 29, 2014 | The Clerk

Future-proofing is an important concept when designing automated reports. One thing that can get out of hand over time is when you accumulate so many periods of data that your charts start to look overcrowded. You can solve for this by limiting the num... [Read more...]

Multivariate Medians

December 29, 2014 | Dave Giles

I'll bet that in the very first "descriptive statistics" course you ever took, you learned about measures of "central tendency" for samples or populations, and these measures included the median. You no doubt learned that one useful feature of the median is that, unlike the (arithmetic, geometric, harmonic) mean, it ... [Read more...]

R wins a 2014 Bossie Award

December 29, 2014 | David Smith

I missed this when it was announced back on September 29, but R won a 2014 Bossie Award for best open-source big-data tools from InfoWorld (see entry number 5): A specialized computer language for statistical analysis, R continues to evolve to meet new challenges. Since displacing lisp-stat in the early 2000s, R is ... [Read more...]

Getting R and Java 1.8 to work together on OSX

December 29, 2014 | Will

Hey Mac OSX users with Java 1.8 installed. Did R just request a Java 1.6 installation and then promptly crash your session?  If so, read on… The Problem A few days ago I was attempting to use the mallet package for topic models and I found that typing __ library(mallet) caused two ... [Read more...]
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