The folks over at Rstudio have released a new update to their open-source R GUI, currently in beta test. This Beta 2 release adds more customizable layouts, editor improvements and new editing themes. Also of interest is a new feature that allows creation of graphics that update under the control of sliders and checkboxes and such. See the full...
Monthly Archives: April 2011
EC2 AMI for scientific computing in Python and R
Like many people who crunch numbers frequently, I have increasingly been integrating Amazon’s cloud computing services into my daily workflow. In particular, I have been using their elastic cloud computing (EC2) on a regular basis. The service is an excellent way to offload computationally intensive work from your laptop for literally pennies on the
Historical Sources of Bond Returns
As promised in Monitoring Sources of Bond Return, we can show more history if we use CPI instead of expected inflation (from the TIP inflation breakeven yield). Here are the results with history back to 1953. From TimelyPortfolio However, mo...
Monday Links: 23andMe, RStudio, PacBio+Galaxy, Data Science One-Liners, Post-Linkage RFA, SSH
Lately I haven't written as many full length posts as usual, but here's a quick roundup of a few links I've shared on Twitter (@genetics_blog) over the last week:First, 23andMe is having a big DNA Day Sale ($108) for the kit + 1 year of their personal ...
Monday Links: 23andMe, RStudio, PacBio+Galaxy, Data Science One-Liners, Post-Linkage RFA, SSH
Lately I haven't written as many full length posts as usual, but here's a quick roundup of a few links I've shared on Twitter (@genetics_blog) over the last week:First, 23andMe is having a big DNA Day Sale ($108) for the kit + 1 year of their personal ...
Tumblr Likes
Look at just the first digit and the number of digits. science: 32914, 11566, 4989, 3743, 968, 814, 673, 482, 286, 2811 black and white: 1694, 1167, 1108, 988, 919, 639, 596, 591, 580, 544 lol: 22627, 18100, 17688, 14374, 13459, 12045, 4711, 3779, 36...
Tumblr Likes
Look at just the first digit and the number of digits. science: 32914, 11566, 4989, 3743, 968, 814, 673, 482, 286, 2811 black and white: 1694, 1167, 1108, 988, 919, 639, 596, 591, 580, 544 lol: 22627, 18100, 17688, 14374, 13459, 12045, 4711, 3779, 36...
Article about plyr published in JSS, and the citation was added to the new plyr (version 1.5)
The plyr package (by Hadley Wickham) is one of the few R packages for which I can claim to have used for all of my statistical projects. So whenever a new version of plyr comes out I tend to be excited about it (as was when version 1.2 came out with support for parallel processing)
RStudio Beta 2 (v0.93)
RStudio Beta 2 (v0.93) is available for download today. We’ve gotten incredibly helpful input from the R community and this release reflects a lot of that feedback. The release notes have the full details on what’s new. Some of the highlights include: Source Editor Enhancements Highlight all instances of selected text Insert spaces for tabs (soft-tabs) 
Vienna, May 2011 – Advanced Topics in Financial Econometrics Lectures
(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
