Monthly Archives: April 2011

BUGS and related

April 8, 2011
By

(People who aren't interested in automated Markov chain Monte Carlo sampling, or have no idea what it is, should probably stop reading now.)Got an e-mail from a student trying to get the WinBUGS examples in Chapter 7 of the book to work, on MacOS under...

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BUGS and related

April 8, 2011
By

(People who aren't interested in automated Markov chain Monte Carlo sampling, or have no idea what it is, should probably stop reading now.)Got an e-mail from a student trying to get the WinBUGS examples in Chapter 7 of the book to work, on MacOS under...

Read more »

Day #19 RGG’s a b***h

A  listbox is (as far as i thought) supposed to select one or more items in the list and put them in a variable. Well, not for the rgg listbox. Whatever you select, you’ll get an error.                 &#1...

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Getting started with the Heritage Health Price competition

April 8, 2011
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Getting started with the Heritage Health Price competition

The US$ 3 million Heritage Health Price competition is on so we take a look at how to get started using the R statistical computing and analysis platform.

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Getting started with the Heritage Health Price competition

April 8, 2011
By
Getting started with the Heritage Health Price competition

The US$ 3 million Heritage Health Price competition is on so we take a look at how to get started using the R statistical computing and analysis platform.

Read more »

Getting started with the Heritage Health Price competition

April 8, 2011
By
Getting started with the Heritage Health Price competition

The US$ 3 million Heritage Health Price competition is on so we take a look at how to get started using the R statistical computing and analysis platform.

Read more »

Getting started with the Heritage Health Price competition

April 8, 2011
By
Getting started with the Heritage Health Price competition

The US$ 3 million Heritage Health Price competition is on so we take a look at how to get started using the R statistical computing and analysis platform.

Read more »

Fixing aberrant files using R and the shell: a case study

April 7, 2011
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Fixing aberrant files using R and the shell: a case study

Once in a while, you embark on what looks like a simple computational procedure only to encounter frustration very early on. “I can’t even read my file into R!” you cry. Step back, take a deep breath and take note of what the software is trying to tell you. Most times, you’ve just missed something

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Buffon versus Bertrand in R

April 7, 2011
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Buffon versus Bertrand in R

Following my earlier post on Buffon’s needle and Bertrand’s paradox, above are four outcomes corresponding to four different generations (among many) of the needle locations. The upper right-hand side makes a difference in the number of hits (out of 1000). The R code corresponding to this generation was made in the métro, so do not

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Revolution R, PMML and ADAPA: Webinar April 13

April 7, 2011
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If you'd like to learn more about using the PMML package in R to export statistical models, or if you'd just like to learn more about building predictive models in Revolution R and creating predictions (scores) from them in other applications or in the cloud, I'll be co-presenter on a webinar next week that might be of interest. On...

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