Arguably, knitr (CRAN link) is the most outstanding R package of this year and its creator, Yihui Xie is the star of the useR! conference 2012. This is because the ease of use comparing to Sweave for making reproducible report. Integration of knitR and R Studio has made reproducible research much more convenience, intuitive and easier to 
In my last blog I'm following you in Twitter...are you following me back? I show you how to use the Twitter APIs to get a list of the people that you follow but doesn't follow you back.This time, I want to extend the tool as I installed the R...
Hi, our group of R users from INSEE, aka FLR, meets monthly in Paris. Next meeting is on Wed 13 (tomorrow), 1-2 pm, room 539 (an ID is needed to come in, map to access INSEE R), about ggplot2 and parallel computing. Since the first meeting in February, presentations have included hot topics like webscrapping, C in R, RStudio, SQLite 
The following post documents the steps I needed to take in order to convert a project using Sweave LaTeX into one using knitr LaTeX. Additional Resources It is fairly straightforward to convert a document from Sweave LaTeX to knitr LaTeX. Yihui Xie on...
I’m hardly the first person you would want to talk to about learning statistics in R. But if you’re bent on teaching yourself R, and you’ve ended up at my blog, here are some resources I found useful. (No opinions here about whether R is good/bad better/worse than Excel, Minitab, Matlab, Octave, SPSS, Stata, SAS, 
I recently finished a long stretch of work on a particular project that required me to draw upon four R packages. Each time I got back to my work on the project, I’d have to load the packages manually, as … Continue reading →
Today we’re very excited to announce RPubs, a free service that makes it easy to publish documents to the web from R. RPubs is a quick and easy way to disseminate data analysis and R code and do ad-hoc collaboration with peers. RPubs documents are based on R Markdown, a new feature of knitr 0.5 and RStudio 0.96. To publish 
Many of you have heard about RStudio’s latest release and it’s new R Markdown feature. Today, I’d like to announce the markdown package for R, a tool for converting Markdown documents to HTML, created in collaboration with RStudio. It...
The following post shows how to manually convert a Sweave LaTeX document into a knitr R Markdown document. The post (1) reviews many of the required changes; (2) provides an example of a document converted to R Markdown format based on an analysis of Winter Olympic Medal data up to and including 2006; and (3) discusses the pros...
Tools for using R/RStudio as a one-stop shop for research and presentation have been coming out quickly. I think this one has a good shot of being included in future releases of RStudio: The other day I ran across a new R package called slidify by Ramn...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
