Monthly Archives: January 2009

R resources for psychologists

January 12, 2009
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R resources for psychologists

As a quick follow-up to my previous post, I'll quickly note some R links specifically aimed at psychologists. Jonathan Baron and Yuelin Li have a excellent set of notes that cover ground from R basics to ANOVA (including repeated measures ANOVA) and beyond. Jonathan Baron also maintains a general set of R links. William Revelle's R guide for...

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R gets some -E-S-P-E-C-T

January 12, 2009
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R gets some -E-S-P-E-C-T

NEW YORK TIMES STORY ON THE APPEAL OF R (click to view movie) It is no secret that Decision Science News is crazy about the R language for statistical computing. Find out why R is so great in this New York Times article. Then start to teach yourself R with our short series of video

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TextWrangler and R

TextWrangler and R

R is an environment for statistical computing (see also ‘Data Analysts Captivated by R's Power’ in the New York Times) which I use on an almost daily basis. However, the included text editor is not all that great, and that is why I use Text...

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Rcpp 0.6.3

January 9, 2009
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I just pushed Rcpp 0.6.3 out to CRAN and Debian. This version adds a fix to the OS X installation (thanks to Simon Urbanek), adds some 'view-only' classes for R vectors, matrices and string vectors (kindly suggested/provided by David Reiss) as well two shorter helper functions to derive compilation and linker flags for packages using Rcpp.

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Review of R in NYT and GDAT

January 8, 2009
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Review of R in NYT and GDAT

GDAT instructor, Jim Holtman, pointed me at this review of R in yesterday's New York Times. It definitely puts SAS on the defensive.Update: Another piece in the tech section of NYT.If you want to know how to apply R to performance data, sign up for th...

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R in the New York Times (updated)

January 8, 2009
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R in the New York Times (updated)

There’s an article in the New York Times about R: An excerpt from the article: To some people R is just the 18th letter of the alphabet. To others, it’s the rating on racy movies, a … Continue reading →

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R-Sessions 30: Visualizing missing values

January 8, 2009
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R-Sessions 30: Visualizing missing values

It always takes some time to get a grip on a new dataset, especially large ones. The code-books are often as indispensable as they are massive, and not always as clear as one would want. Routings, and resulting and strange patterns of missing values are at times difficult to find. I found a...

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Google Summer of Code 2009

January 7, 2009
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Word is out that there will be a 2009 edition of the Google Summer of Code. I have some follow-up ideas based on last year's mentoring for both Debian and R, but there will be a better time and place to discuss possible project ideas.

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R featured in New York Times article

January 7, 2009
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Today's New York Times carries a decent article about R. Predictably, this lead to one (short), two (longest), three (short) threads on the main R mailing list. One aspect merits further highlighting. The reporter asked whether R would pose a threat to SAS: "I think it addresses a niche market for high-end data analysts that want free, readily...

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Forecasting Presidential Elections

January 7, 2009
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Forecasting Presidential Elections

Because of Andrew Gelman’s strong, repeated recommendations, I’ve been reading “Forecasting Presidential Elections” by Steven J. Rosenstone for the last two days. It’s quite a remarkable book and complex enough that I’m sure I’ll return t...

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