Monthly Archives: December 2010

Rearranging the office to find a fresh perspective. Hasn’t…

December 31, 2010
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Rearranging the office to find a fresh perspective.
Hasn’t…

Rearranging the office to find a fresh perspective. Hasn’t been done in seven years. I feel better already. Gonna hang some pictures. Gonna set some goals. I’m not afraid to fail. Saw “True Grit” last night. I liked it.

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History makes Stat. Science!

December 31, 2010
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History makes Stat. Science!

While the above heading sounds like a title in reverse, its words are in the “correct” order in that our paper with George Casella, A Short History of Markov Chain Monte Carlo, has been accepted for publication by Statistical Science. This publication may sound weird when considering that the paper is also scheduled to appear

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R-Chart: Year End Wrap Up

December 31, 2010
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R-Chart: Year End Wrap Up

Thanks to everyone who visited and commented here at R-Chart over the last year!  Blogging has forced me to crystallize my thoughts and I hope others have benefited a bit from these meanderings.  It it great to interact with the&nbs...

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Video of Joy of Stats by Hans Rosling

December 31, 2010
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Video of Joy of Stats by Hans Rosling

The Joy of Stats narrated by Hans Rosling was just produced by BBC and shown to their audience.  Hans Rosling via gapminder.org was kind enough to post the full hour video of the documentary about joys of statistics.  The video is posted on Y...

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R / Finance 2011 Call for Papers: Updated and expanded

December 31, 2010
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One week ago, I sent the updated announcement below to the r-sig-finance list; this was kindly blogged about by fellow committee member Josh and by our pal Dave @ REvo. By now. I also updated the R / Finance conference website. So to round things ...

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The R Journal, Vol.2 Issue 2 is out

December 31, 2010
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The second issue of the second volume of The R Journal is now available . Download complete issue Refereed articles may be downloaded individually using the links below. Table of Contents Editorial 3 Contributed Research Articles Solving Differential Equations in R Karline Soetaert, Thomas Petzoldt and R. Woodrow Setzer 5 Source

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Revolutions blog: 2010 statistics

December 31, 2010
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Revolutions blog: 2010 statistics

Since it's the end of the year, and since this is a statistics blog, I thought I'd pull some data from the blog server and run some number on the blog itself. Overall, the blog has doubled the average number of daily visitors and pageviews compared to 2009. The number of pageviews varies quite a lot, as you can...

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Le Monde puzzle [52]

December 31, 2010
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Le Monde puzzle [52]

The last puzzle of the year in Le Monde reads as follows (as far as I understand its wording!): Iter(n,x,y) is the function Iter=function(n,x,y){ if (n==1){ output=trunc(y/10)+x*(y%%10) }else{ output=Iter(n-1,x,Iter(1,x,y))} return output } Find the seven-digit number z such that Iter(6,1,z)=12, Iter(6,2,z)=19, Iter(6,3,z)=29, and Iter(6,-1,z)=Iter(6,-2,z)=Iter(6,-3,z)=0. Obviously, the brute-force solution of listing all 90 million seven digit

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R Journal 2/2

December 31, 2010
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R Journal 2/2

The last gift of 2010: R Journal 2/2 is out! Get it from here.

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Empirical Bayes Estimation of On Base Percentage

December 30, 2010
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Empirical Bayes Estimation of On Base Percentage

I guess you could call this On Bayes Percentage. *cough*Fresh off learning Bayesian techniques in one of my classes last quarter, I thought it would be fun to try to apply the method. I was able to find some examples of Hierarchical Bayes being used to...

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