277 search results for "animation"

Animated map of 2012 US election campaigning, with R and ffmpeg

October 28, 2012
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(Video link here, in case the embedded player doesn’t work for you.) Idea: see if I can mimic the idea behind Ben Schmidt’s lovely video of ocean shipping routes, and apply it to another dataset. But which? “Hmm… what’s another … Continue reading →

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Gale-Shapley Deferred Acceptance in R

October 15, 2012
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Gale-Shapley Deferred Acceptance in R

In honor of today’s announcement of the Nobel Prize for Roth and Shapley, I found an illustration of the deferred acceptance algorithm from 1962 in R. Credit for the code goes to the blogger at Letters from London, and I’ve included a Gi...

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What’s in My Pocket? Read it now! (or Read It Later)

October 9, 2012
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What’s in My Pocket? Read it now! (or Read It Later)

IntroductionYou know what's awesome? Pocket.I mean, sure, it's not the first. I think Instapaper existed a little before (perhaps). And there are alternatives, like Google Reader. But Pocket is still my favorite. It's pretty awesome at what it does.Pocket (or Read It Later, as it used to be known) has fundamentally changed the...

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In case you missed it: September 2012 Roundup

October 8, 2012
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In case you missed them, here are some articles from September of particular interest to R users. You can now browse the R-devel sources and changelogs at GitHub. R is used to create a 3-D animation of the Antarctic ice cap. At the DataWeek SF conference, R users from eBay, Intuit, Minted and other companies describe how R is...

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Spatial segregation in cities – An explanation by a neural network model (Demographics & neural network)

September 25, 2012
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Spatial segregation in cities – An explanation by a neural network model (Demographics & neural network)

Preferential attachment for network

September 15, 2012
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I am currently taking the networked life course on Coursera.org offered by Professor Michael Kearns from the University of Pennsylvania.  I have been took several courses including machine learning, natural language processing since the platf...

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Kendall’s function for copulas

September 12, 2012
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Kendall’s function for copulas

As mentioned in the course on copulas, a nice tool to describe dependence it Kendall's cumulative function. Given a random pair with distribution  , define random variable . Then Kendall's cumulative function is Genest and Rivest (1993) intr...

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Integrate data and reporting on the Web with knitr

September 11, 2012
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Today's guest post comes from Yihui Xie, author of the knitr package — ed. Hi, this is Yihui Xie, and I'm guest posting on the Revolutions blog to talk about one aspect of the knitr package: how we can integrate data analysis and reporting in R with the Web. This post includes both the work that has been done...

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Progress bars in R using winProgressBar

September 10, 2012
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Progress bars in R using winProgressBar

Using progress bars in R scripts can provide valuable timing feedback during development and additional polish to final products. winProgressBar and setWinProgressBar are the primary functions for creating progress bars in R. Progress bars, and progress indicators in general, are relatively uncommon in R programming. This makes sense, as they can add bloat and, being The post Progress...

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R Package Vignettes with Markdown

September 10, 2012
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What is the best resource to learn an R package? Many R users know the almighty question mark ? in R. For example, type ?lm and you will see the documentation of the function lm. If you know nothing about a package, you can take a look at the HTML help...

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