Blog Archives

Contest for developing an R package recommendation system

October 7, 2010
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After I spoke tonight at the NYC R meetup, John Myles White and Drew Conway told me about this competition they're administering for developing a recommendation system for R packages. They seem to have already done some work laying out... ...

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Ross Ihaka to R: Drop Dead

September 13, 2010
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Christian Robert posts these thoughts: I have been worried for some time that R isn't going to provide the base that we're going to need for statistical computation in the future. (It may well be that the future...

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R vs. Stata, or, Different ways to estimate multilevel models

September 10, 2010
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Cyrus writes: I was teaching a class on multilevel modeling, and we were playing around with different method to fit a random effects logit model with 2 random intercepts---one corresponding to "family" and another corresponding to "co...

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The future of R

September 8, 2010
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Some thoughts from Christian, including this bit: We need to consider separately 1. R's brilliant library 2. R's not-so-brilliant language and/or interpreter. I don't know that R's library is so brilliant as all that--if necessary, I don't thi...

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Distorting the Electoral Connection? Partisan Representation in Confirmation Politics

July 17, 2010
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John Kastellec, Jeff Lax, and Justin Phillips write: Do senators respond to the preferences of their states' median voters or only to the preferences of their co-partisans? We study responsiveness using roll call votes on te...

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A data visualization manifesto

May 31, 2010
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Details matter (at least, they do for me), but we don't yet have a systematic way of going back and forth between the structure of a graph, its details, and the underlying questions that motivate our visualizations. (Cleveland, Wilkinson, and....

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Updated R code and data for ARM

May 19, 2010
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Patricia and I have cleaned up some of the R and Bugs code and collected the data for almost all the examples in ARM. See here for links to zip files with the code and data....

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Bayes fits the data less closely than maximum likelihood

March 1, 2010
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Lluis Bermudez writes: I'm from University of Barcelona and I've using "arm" package to obtain posterior estimates of glm parameters. I usually worked with "glm" function, but I need more than a point estimation. The problem is that when using...

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Some sort of update to ggplot2

November 22, 2009
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Jeroen Ooms writes: Here's a first version of a new web application for exploratory graphical analysis. It attempts to implement the layered graphics from the R package ggplot2 in a user-friendly way. This two-minute demo video demonstrates a ...

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Income inequality and partisan voting in the United States

October 29, 2009
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Lane Kenworthy, Yu-Sung Su, and I write: Income inequality in the United States has risen during the past several decades. Has this produced an increase in partisan voting differences between rich and poor? We examine trends from the 1940s thr...

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