Blog Archives

The R journal – Volume 4/2, December 2012

December 16, 2012
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Download complete issue Refereed articles may be downloaded individually using the links below. Table of Contents Editorial 3   Contributed Research Articles What’s in a Name? Paul Murrell 5 It’s Not What You Draw,It’s What You Don’t Draw Paul Murrell 13 Debugging grid Graphics Paul Murrell and Velvet Ly 19 frailtyHL: A Package for Fitting...

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Which functions in plyr do people use?

November 2, 2012
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Which functions in plyr do people use?

This is the question that Hadley Wickham recently set out to discovering by asking frequent R and plyr users how they use it in an online survey. Once a decent number of people have responded, Hadley quickly went forward and produced a short analysis of the plyr usage survey, and published it in RPubs.  With his permission, I am...

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Upcoming R training by Hadley Wickham: SF Dec 3-4, DC Dec 10-11

November 1, 2012
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(By Hadley Wickham) Hi all, I’d like to let you know about four R training courses that RStudio will be offering in December: * Effective data visualization (http://bit.ly/TY2ONI) Dec 3. San Francisco, CA * Reports and reproducible research (http://bit.ly/RsZmYr) Dec 4. San Francisco, CA * Advanced R programming (http://bit.ly/RvZDsd) Dec 10. Washington, DC * Package development (http://bit.ly/UhTIWz) Dec 11....

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Up and Coming R User Group meetings

October 19, 2012
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Mango Solutions are pleased to announce the forthcoming R user Group meetings that they will be hosting or participating in.  To attend, please see the registration information on the relevant websites:   1.       GreatBoston useR Group      (http://www.meetup.com/Boston-useR/ ) Date:                     Tuesday 23rd October Venue:                 IBM Cambridge, 1 Rogers Street, Cambridge, MA Time:                     6.15pm Presentation:    Creating and Designing Applications...

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Using R in Political Controversies: Unemployment Reduction Prowess Under Bush versus Obama Years

September 27, 2012
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Using R in Political Controversies: Unemployment Reduction Prowess Under Bush versus Obama Years

Editor’s note: R-bloggers does not take a political side. Since this is an important topic, this post has the comments turned on. Also, If you wish to write a reply post (which includes an R context), you are welcome to contact me to have it published. This post was written by Prof. H. D. Vinod. Fordham University, New York.

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BaselR meetup

September 6, 2012
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Mango Solutions host BaselR, a free, open and informal R user group for those using or interested in using R. There will be a few short R related presentations and an opportunity to meet and chat with other R users over a drink. Date: Thursday 13th September at 6.30pm. Venue : transBarent, Viaduktstrasse 3, Basel (by the train station)...

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Package JM — version 1.0-0

July 10, 2012
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(by Dimitris Rizopoulos) Dear R-users, I’d like to announce the release of version 1.0-0 of package JM (already available from CRAN) for the joint modeling of longitudinal and time-to-event data using shared parameter models. These models are applicable in mainly two settings. First, when focus is in the survival outcome and we wish to account for the effect of an...

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The R Journal Volume 4/1, June 2012

July 6, 2012
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As first reported by Paolo, the new R journal is out! You can Download the complete issue from here.  Refereed articles may be downloaded individually using the links below. Table of Contents Editorial 3   Contributed Research Articles   Analysing Seasonal Data  Adrian G Barnett, Peter Baker and Annette J Dobson 5 MARSS: Multivariate Autoregressive State-space...

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Glmnet_1.8 uploaded to CRAN

July 4, 2012
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(by Trevor Hastie) Glmnet_1.8 uploaded to CRAN – This is a major revision, with two additional models included. 1) Multiresponse regression – family=”mgaussian” Here we have a matrix of M responses, and we fit a series of linear models in parallel. We use a group-lasso penalty on the set of M coefficients for each variable. This means they are...

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Visualization in R with ggplot2 taught by Hadley Wickham at Statistics.com

June 24, 2012
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Hadley Wickham, the creator of ggplot2, will present his course “Visualization in R with ggplot2,” online at Statistics.com, July 20 – Aug 17. Upcoming “R” courses, and others: Jun 22:  Smoothing with P-splines using R (taught by Brian Manly and Paul Eilers) Jun 29:  Data Mining in R (taught by Luis Torgo) Jul  6:  Intro to Resampling Methods (taught...

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