# Monthly Archives: March 2010

## Package Releases

March 20, 2010
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I just put a new version of the XML package on the Omegahat repository. There is a new version of the RKML package which handles large datasets much more rapidly. Also, I put a new package named RJSCanvasDevice which implements and R graphics device that creates JavaScript code that can be subsequently display on a

## R: Backwards for loop

March 20, 2010
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for (i in 10:1) { print(i) } As easy as that.

## Because it’s Friday: Kittens, beware Tufte

March 19, 2010
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Edward Tufte has been a tireless promoter of good infographics, and he's even taken some controversial steps to rid the world of chartjunk. But now he's gone too far: Then again, this chart from the Wall Street Journal could lead anyone to felinicide: What's wrong with a simple bar chart, WSJ? Mark Goetz: My New Wallpaper (via @sarahd23 and...

## Savage-Dickey [talk]

March 19, 2010
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Here are the slides for the Savage-Dickey paradox paper that I gave in San Antonio this morning: (Any suspected coincidence of the first part with earlier talks is for real!) I have tried to spell out as clearly as possible in the second part the issues of version choices that are at the core of

## Balloon plot using ggplot2

March 19, 2010
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Following Tal Galili example and using part of his code, I want to plot the balloonplot you can see here using R and the excellent ggplot2 package by Hadley Wickham.

### I retrieve the data from the google document you can find here using Tal Galili code:
## I slightly modified Tal code to include popularity...Read more »

## Balloon plot using ggplot2

March 19, 2010
By

Following Tal Galili example and using part of his code, I want to plot the balloonplot you can see here using R and the excellent ggplot2 package by Hadley Wickham.

### I retrieve the data from the google document you can find here using Tal Galili code:
## I slightly modified Tal code to include popularity...Read more »

## Senators’ ideal points against Obama vote

March 18, 2010
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I added another plot to the output generated by my overnight ideal point scripts: a scatterplot of estimated Senate ideal points against Obama vote share in their state (color coded by party, local linear regression overlays by party, labels for some big residuals). I suppose I’m surprised by the way that the loess curve for

## R Project selected for the Google Summer of Code 2010

March 18, 2010
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Earlier today, Google announced the list of accepted mentor organizations for the Google Summer of Code 2010 (GSoC 2010). And we are happy to report that the R Project is once again a participating organization (and now for the third straight year) jo...

## R Project selected for the Google Summer of Code 2010

March 18, 2010
By

Earlier today, Google announced the list of accepted mentor organizations for the Google Summer of Code 2010 (GSoC 2010). And we are happy to report that the R Project is once again a participating organization (and now for the third straight year) joi...