February 2011

RStudio: just what I’ve been looking for

February 28, 2011 | 0 Comments

For many years I used RWinEdt as my text editor for R code, but when WinEdt 6.0 came out, RWinEdt stopped working. So I’ve been looking for something to replace it. I’ve tried Tinn-R, NppToR, Eclipse with StatET and a couple of other editors, but nothing was quite right. ...
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The RStudio IDE: first impressions are positive

February 28, 2011 | 0 Comments

Integrated development environments (IDEs) are software development tools, providing an interface that enables you to write, debug, run and view the output of your code. Whether you need an IDE or find them useful depends very much on your own preferences and style of working. In my own case for ...
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New open-source IDE for R in beta test

February 28, 2011 | 0 Comments

Rstudio, a new open-source IDE for R, has just been announced and is now available for beta test on Windows, MacOS, and Ubuntu. It works with an existing installation of R (2.11.1 or above) on your desktop, and is also available as a server version for Linux, where the IDE runs ... [Read more...]

Tips for Using our Google Earth Interface to SoilWeb

February 28, 2011 | 0 Comments

GE SoilWeb Demo The folks in Lincoln recently changed the links to the OSDs from http:// to https:// style URLs... which seems to cause problems for new versions of Google Earth. I have noticed that when clicking on soil profile sketches an error is re...
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Release of XLConnect 0.1-3

February 28, 2011 | 0 Comments

Mirai Solutions GmbH (http://www.mirai-solutions.com) is proud to announce the first release of XLConnect, a comprehensive and cross-platform R package for manipulating Microsoft Excel files from within R. XLConnect differs from other related R packages in that it is completely cross-platform … Continue reading → [Read more...]

RStudio: New free IDE for R

February 28, 2011 | 0 Comments

Just saw the announcement of the availability of Rstudio, a new (free & open source) integrated development environment for R that works on Windows, Mac, and Linux. Judging from the screenshots, it looks like Rstudio supports syntax highlighting for Sweave & easy PDF creation from Sweave code, which is something I haven't ... [Read more...]

Running a Regression in R

February 28, 2011 | 0 Comments

I created another video tutorial on R. This time, I discuss R's lm() command and how to use it for a variety of standard applications.Here is the code that goes with the video:Enjoy!
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RStudio, new open-source IDE for R

February 28, 2011 | 0 Comments

RStudio is a new open-source IDE for R which we’re excited to announce the availability of today. RStudio has interesting features for both new and experienced R developers including code completion, execute from source, searchable history, and support for authoring Sweave documents. RStudio runs on all major desktop platforms (... [Read more...]

Example 8.28: should we buy snowstorm insurance?

February 28, 2011 | 0 Comments

It's been a long winter so far in New England, with many a snow storm. In this entry, we consider a simulation to complement the analytic solution for a probability problem concerning snow. Consider a company that buys a policy to insure its revenue ...
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What $480M of Gross Revenue Looks Like to Groupon

February 28, 2011 | 0 Comments

On Saturday, the Wall St. Journal posted details of an internal Groupon memo that reported $760 million in revenue last year. The WSJ article came just as I was finishing up a visualization of some data I had collected on … Continue reading → [Read more...]

Visualizing Soccer League Standings

February 27, 2011 | 0 Comments

I feel ashamed for this boring title, but hope that the entry can make up for it. This visualization did inspire me, as a comment did point to my Tour de France visualizations. As with all visualizations, we need data first – this sounds trivial, but is sometimes a frustrating show-stopper. ... [Read more...]

About the RStudio Project

February 27, 2011 | 0 Comments

We started the RStudio project because we were excited and inspired by R. The creators of R provided a flexible and powerful foundation for statistical computing; then made it free and open so that it could be improved collaboratively and its benefits could be shared by the widest possible audience. ...
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Welcome to our Weblog

February 27, 2011 | 0 Comments

Welcome to the RStudio weblog! We’ll use the weblog to talk about both the product and its features as well as broader issues that concern the R community.
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The split-apply-combine paradigm in R

February 25, 2011 | 0 Comments

Last night at the DC R Users meetup, which was our largest meetup to date, I gave an introductory presentation on data munging, and spent a bit of time on the split-apply-combine paradigm that I use almost daily in my work. I talked mainly about the packages plyr and doBy, ... [Read more...]
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