Monthly Archives: November 2010

Particle learning [rejoinder]

November 9, 2010
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Particle learning [rejoinder]

Following the posting on arXiv of the Statistical Science paper of Carvalho et al., and the publication by the same authors in Bayesian Analysis of Particle Learning for general mixtures I noticed on Hedibert Lopes’ website his rejoinder to the discussion of his Valencia 9 paper has been posted. Since the discussion involved several points

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Any R packages to solve Vehicle Routing Problem?

November 9, 2010
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Any R packages to solve Vehicle Routing Problem?

Are there any R packages to solve Vehicle Routing Problem (VRP)?I looked around but could not find any... Any leads?VRP is a classic combinatorial optimization challenge and has been an active area of research for operations research gurus fo...

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Any R packages to solve Vehicle Routing Problem?

November 9, 2010
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Any R packages to solve Vehicle Routing Problem?

Are there any R packages to solve Vehicle Routing Problem (VRP)?I looked around but could not find any... Any leads?VRP is a classic combinatorial optimization challenge and has been an active area of research for operations research gurus fo...

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R co-creator Ross Ihaka wins Lifetime Achievement Award in Open Source

November 9, 2010
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The co-creator of R, University of Auckland Associate Professor of Statistics Dr. Ross Ihaka, was yesterday awarded the Catalyst Lifetime Achievement in Open Source Award at the 2010 New Zealand Open Source Awards. From the announcement: Dr. Ihaka is one of the originators of the world-renown ‘R’ programming language and software environment for statistical computing and graphics. In 2008...

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Promote your favorite R functions

November 9, 2010
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The 27 base and recommended libraries of the standard R 2.12 distribution together contain 3556 functions (you can check using the code posted after the jump). Many of the functions are commonly used: c, data.frame, rnorm, lm. But some of those functions, while being extremely useful, may be less well known to many R users. Some examples I'd wish...

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New R User Group in Houston

November 9, 2010
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The latest local R user group to form is located in Houston, Texas. The first meeting of the Houston R Users Group is tonight at Rice University (in conjunction with the Houston chapter of the ASA). R hackr (typo intended!) Hadley Wickham will be giving a presentation on writing R packages, and you can check out the slides on...

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Mapping drug war related homicides in 2010

November 9, 2010
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Mapping drug war related homicides in 2010

There have been some very good visualizations of the Wikileaks data so I decided to create one of the drug war in MexicoThe above map was made using data collected by Walter McKay, mainly from El Universal and El Diario reports. The data is stored as a Google Map...

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Mapping drug war related homicides in 2010

November 9, 2010
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Mapping drug war related homicides in 2010

There have been some very good visualizations of the Wikileaks data so I decided to create one of the drug war in MexicoThe above map was made using data collected by Walter McKay, mainly from El Universal and El Diario reports. The data is stored as a Google Map...

Read more »

The ARORA guessing game

November 9, 2010
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The ARORA guessing game

The game ARORA (A random or real array) is a website that gives you two time series at a time. Your job is to guess which series is real market data and which is permuted data.  It’s fun — try it. With some practice you will probably be able to guess which is which well … Continue reading...

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Computational position in Texas

November 8, 2010
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Computational position in Texas

José Bernardo forwaded this announcement that sounds quite attractive (conditional upon living in a remote part of Texas!) Senior Faculty Position in Computational Statistics At Texas A&M University As part of a recognition of the increasing importance in the modeling and computational sciences, the Department of Statistics at Texas A&M University is recruiting for a

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