I have to admit, first, that finding Waldo has been a difficult task. And I did not succeed. Neither could I correctly spot his shirt (because actually, it was what I was looking for). You know, that red-and-white striped shirt. I guess it sho... [Read more...]

The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full May edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. New R Training Courses Announced. ... [Read more...]

R will overtake SAS and SPSS in 2015 - according to David Smith in his post on the Revolutions blog.I can believe that!© 2012, David E. Giles [Read more...]

I'm a huge supporter of the Free and Open Source Software movement. I've written more about R than anything else on this blog, all the code I post here is free and open-source, and a while back I invited you to steal this blog under a cc-by-sa license.... [Read more...]

[This article was first published on W. Andrew Barr's Paleoecology Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) [Read more...]

On October 2008 Mexico's capital, the Federal District, approved a version of no-fault divorce locally known as "express divorce". With the new law the requesting spouse no longer had to provide a cause to dissolve the marriage and the couple no longer had to live apart before filing for divorce. Furthermore, ... [Read more...]

The process is relatively smooth, I think - especially if you start off with a Linux machine. However, when I had to compile the package and documentation for BCEA, I still had a couple of blips. The first problem was in the documentation. R tries... [Read more...]

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R Codeslibrary(ggplot2)library(colorRamps)TawiTawiPop [Read more...]

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The traditional way to show that your topic is worth studying in front of an audience is to show the state of the field based on a literature review. This is especially true if your subject is obscure except to a handful of scientists in the world.I was confronted ... [Read more...]

Based on an analysis of Google Scholar data on usage of statistical software, Bob Muenchen makes a forecast: R will overtake SAS and SPSS in 2015. Forecasting is extrapolation — always a tricky business — so Bob also provides these qualitative reasons why R will continue to grow at the expense of SAS ... [Read more...]

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Learning to use a data analysis tool well takes significant effort, so people tend to continue using the tool they learned in college for much of their careers. As a result, the software used by professors and their students is … Continue reading → [Read more...]

Two R User Group meetings are happening soon thanks to the support of Mango-solutions (one of R-bloggers’ long term sponsors).  Details below:   [Read more...]

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CRAN now tests packages against g++-4.7 (as this version has become the default on Debian's testing variant. This compiler switch once again triggered a set of build failures, mostly from include files now deemed missing. For RcppSMC, it came down ... [Read more...]

The main reason why I have usually chosen to use excel to make my plots at work is because I had difficulty feeding the summary stats in R into a plotting function.  One thing I learned this week is how … Continue reading → [Read more...]

Things have been going wild since I opened this blog. Tasks were piled up while I was tight on time. At present, I’m facing a major challenge in my life. However, I decide to spare some time for self-improvements. R … Continue reading → [Read more...]