Download complete issue Refereed articles may be downloaded individually using the links below. [Bibliography of refereed articles] 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 Pa […]
Recently whiling trying to build an R package for generalized estimating equation model selection (QICpack on github), I was getting an error related to latex creating the PDF package manuals. It seems like this is a relatively common problem on … Continue reading → […]
The October 2012 issue of Harvard Business Review prominently features the words “Getting Control of Big Data” on the cover, and the magazine includes these three related articles:“Big Data: The Management Revolution,” by Andrew McAfee and Erik... […]
Today’s Gist takes the CNN transcript of the Denver Presidential Debate, converts paragraphs into a document-term matrix, and does the absolute most basic form of text analysis: a raw word count. There are actually quite a few steps in this proc... […]
Here is the mathematical puzzle of the weekend edition of Le Monde: Consider a sequence where the initial number is between 1 and 10³, and each term in the sequence is derived from the previous term as follows: if the last digit of the previous term is between 6 and 9, multiply it by 9; […]
Together with Mateusz Zawisza I have just published a new book in Polish on building predictive models in GNU R. It can be bought at Oficyna Wydawnicza SGH. The book presents complete examples of basic data mining processes.Although the book is in Poli... […]
I thought it would be interesting to offer a little different example of how we can use d3, R, and Rstudio Shiny. This time we will offer a simple example to report portfolio or index performance. Just as a test of my progress, I also threw... […]
The PMPATH particle tracking output, with a file format similar to the pathline output mode of MODPATH (see above), can be transformed easily into a GIF animation using R and ImageMagick (see below for a simple example).First of all, you... […]
The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full December edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Tell us what you're looking for in R training. 2013 is the International Year of Stati […]
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