Posts Tagged ‘ statistics ’

Princeton Graduate Student Housing

February 8, 2009
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Princeton Graduate Student Housing

For any Princeton graduate students who are interested, here’s the success rate for graduate students applying for school housing. These charts were built using the data from the 2008-2009 Room Draw Statistics pamphlet provided by the Division of Hou...

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Baby Got Stats!

February 8, 2009
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I was completely tickled last year with the oh so amusing Statz Rappers. It kept me and my nerdy stats friends laughing for days. Rapping. Stats. The Internet. Good times. But little did I know that rapping about statistics was really just hitting its stride on youtube. This is Why We Plot began my trip

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If I Had a Text File, I’d Hack Regexes in the Morning

February 4, 2009
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If I Had a Text File, I’d Hack Regexes in the Morning

Yesterday the topic of academic citation counts came up, so I decided that I should write up some tools for exploring cite counts. The first thing I did was to build a cheap screenscraper in Ruby for pulling citation count information from Google schol...

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Visualizing Eigenfactors

January 30, 2009
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These interactive graphics are simply beautiful. And they just so happen to be profoundly informative about the structure of modern science as well. Here’s to the hope that we will see more work from Moritz Stefaner soon that shows how our aesthetic ...

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MCMCglmm package for R

January 29, 2009
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MCMCglmm package for R

Jarrod Hadfield published MCMCglmm package on CRAN. The package can fit generalised linear mixed models via MCMC methods. Bellow is the abstract from the vignette. The list of supported models is quite impressive. Nice job Jarrod! This is not the first...

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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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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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The most popular programming languages in 2008

October 26, 2008
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TIOBE has released the newest ranking for the most popular programming language here. Java remains the top popular programming language. C and C++ follow with Java. I dont' see R in this ranking. Maybe it doesn't belong to this group! Maybe I should ...

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Group-level variances and correlations

September 23, 2008
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This is just a sum-up of what we should do when we try to estimate the group-level variances and correlations but the software failed to do so. As a R and lmer() user, I found this happens often.If this is the case, there are three potential problems...

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Design Flaws in R #2 — Dropped Dimensions

August 19, 2008
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Design Flaws in R #2 — Dropped Dimensions

In a comment on my first post on design flaws in the R language, Longhai remarked that he has encountered problems as a result of R’s default behaviour of dropping a dimension of a matrix when you select only one row/column from that dimension. This was indeed the design flaw that I was going to

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