"The law itself follows Gold" Sextus Propertius.But what about stocks, bonds and real estate? Do they follow Gold too? Using the correlation data from my previous post, The Financial Crisis on Tape Part I, this question is easy to investigate. Indeed, ...
Since it seems to be the fashion, here’s a post about how I make my academic papers. Actually, who am I trying to kid? This is also about how I make slides, letters, memos and “Back in 10 minutes” signs to pin on the door. Nevertheless it’s for making academic papers that I’m going to
Recently, I had read an article on R-bloggers, titled Classifying Breast Cancer as Benign or Malignent using RTextTools by Timothy P. Jurka, who is the author of both that article and the RTextTools package. Having reproduced the results using the...
On Revolution Analytics partner Cloudera's blog, Uri Laserson has posted an excellent guide to resampling from a large data set in Hadoop. Resampling is an important step in fitting ensemble models (including random forests and other bagging techniques), and Uri provides a step-by-step guide to implementing resampling methods using RHadoop. He provides the complete map-reduce code in the R...
It's not always easy getting the right size. The image is CC by Kristina Gill.
A vital part of statistics is producing nice plots, an area where R is outstanding. The graphical ablility of R...
Rstudio provides you with tools to make your work more productive.New to R? - check out these resources for getting staRted. RStudio is an awesome tool that can help you do your work better and faster. In technical terms...
Below I briefly outline why Pandoc is an essential part of my research workflow, and demonstrate how to seamlessly integrate it with a bibliographic system and code written in R to produce high quality word or pdf documents. I also...
![the BUGS Book [guest post]](http://www.mrc-bsu.cam.ac.uk/bugs/thebugsbook/bugsbook_cover.png)
(My colleague Jean-Louis Fouley, now at I3M, Montpellier, kindly agreed to write a review on the BUGS book for CHANCE. Here is the review, en avant-première! Watch out, it is fairly long and exhaustive! References will be available in the published version. The additions of book covers with BUGS in the title and of the corresponding 
NOTE: THIS IS NOW A PACKAGE SEE THIS LINK FOR DETAILS Let me start with a video for people who just want to see what I’m demo-ing first: I’ve been interested in speeding up workflow lately and spending a lot … Continue reading →
A lot of times we are given a data set in Excel format and we want to run a quick analysis using R's functionality to look at advanced statistics or make better visualizations. There are packages for importing/exporting data from/to Excel, but I have f...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
