This video explains how to overlay histogram plots in R for 3 common cases: overlaying a histogram with a normal curve, overlaying a histogram with a density curve, and overlaying a histogram with a second data series plotted on a … Continue reading →Video: Overlay Histogram in R (normal, density, another series) ... [Read more...]

I did a screencast for my co-workers to show how to get started with R, specifically what a base installation of R looks like, then showing how to improve your workflow using RStudio, Rcmdr or rattle.  The examples are somewhat … Continue reading →Video: R, RStudio, Rcmdr & rattle is an article ... [Read more...]

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I am excited to announce the addition of DeducerSpatial to the Deducer plug-in ecosystem. DeducerSpatial is a graphical user interface for the visualization and analysis of spatial data, built on Deducer's plug-in platform. In a previous post I illustrated how to user DeducerSpatial from the command line to add Open ... [Read more...]

CloudStat: Learn & Do R on the Cloud CloudStat is a platform to learn and do R on the Cloud. With CloudStat, there is no more download, installation, update and maintenance. CloudStat decrease the R language learning curve besides collaboration. And it... [Read more...]

Despite the fact that Excel is the most widespread application for data manipulation and (perhaps) analysis, R's support for the xls and xlsx file formats has left a lot to be desired. Fortunately, the XLConnect package has been created to fill this void, and now JGR 1.7-8 includes integration with ... [Read more...]

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Because it’s Friday—and I needed to create this for a separate visualization—here is how to create an animated clock in R using ggplot2. In just about 20 lines of code! And here is the clock… I think this is a nifty way to show time elapse, rather than ... [Read more...]

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Last month, Amanda Cox from The New York Times Graphic Department gave a great talk to the NYC R Statistical Programming Meetup. I’ve just got around to uploading the video, which has been broken into a part one and part two. You can also view the videos embedded after ... [Read more...]

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Jeromy Anglim, fellow social scientist and R aficionado from across the globe, gave a great talk to the Melbourne R Users Group last week on the joys of creating reproducible results. A subject near and dear to me, but not one that is given enough attention in research training. Jeromy ... [Read more...]

In a few weeks I will be visiting Chicago, and JD Long—the organizer of the local R users group—has graciously invited me to give a presentation. Ostensibly, the presentation will be on my recently released infochimps package, so I thought it was a good time to start actually ... [Read more...]

Probably everyone has seen Hans Rosling’s famous TED talk by now. I recently came across a couple of other exceptional talks on data visualization: Hans Rosling again: Let my dataset change your mindset. If only all statistics lecturers were this dynamic! David McCandless: The beauty of data visualization. Not ... [Read more...]

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Visualisation of Activity in Afghanistan using the Wikileaks data from Mike Dewar on Vimeo. The latest visualization of the WikiLeaks data compiled by our group is an animation of the intensity of report observations in Afghanistan over the six year period in the WikiLeaks data. Team member Mike Dewar did ... [Read more...]

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