Monthly Archives: June 2014

Example 2014.8: Estimate power for an interaction, by simulation

June 30, 2014
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Example 2014.8: Estimate power for an interaction, by simulation

In our last entry, we demonstrated how to simulate data from a logistic regression with an interaction between a dichotomous and a continuous covariate. In this entry we show how to use the simulation to estimate the power to detect that interaction. ...

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R/Finance 2014 Review

June 30, 2014
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It's been more than a month since R/Finance 2014, and my job has finally slowed down enough to allow me to write down my thoughts (though I'm writing this over two days during my train to and from Chicago).The comments below are based on my personal ex...

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Submissions in the DataVis contest at useR!2014

June 30, 2014
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Wonder how submissions to the DataVis contest at useR!2014 (see contest webpage) look like? There are 8 submissions in the track 1 (schools matter) and 10 submissions in the track 2 (inequalities in academic achievement). You can see all submissions (w...

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Presentations of the seventh Torino R net meeting – 27 Mar 2014

June 30, 2014
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Presentations of the seventh Torino R net meeting – 27 Mar 2014

welcome and presentation (download 0,1MB), Torino R net organisers; Processing and analysis methods for DNA methylation array data (download 1,4 MB), Giovanni Fiorito, Complex Systems for Life Sciences, University of Turin; Temporal Dominance of Sensations (TDS) data analysis using R (download 4,8 MB), Silvia … Continue reading →

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R/Rmetrics in Paris [alas!]

June 29, 2014
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R/Rmetrics in Paris [alas!]

Today I gave a talk on Bayesian model choice in a fabulous 13th Century former monastery in the Latin Quarter of Paris… It is the Collège des Bernardins, close to Jussieu and Collège de France, unbelievably hidden to the point I was not aware of its existence despite having studied and worked in Jussieu since

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The TaoTeProgramming R package

June 29, 2014
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The TaoTeProgramming R package

I’d like to do a song of great social and political import. The code that created the illustrations in Tao Te Programming is now available as the TaoTeProgramming package on CRAN. The sea is just flat hills And they are both just smooth mountains. The package contains just over 1000 lines of code.  More than The post

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stone flakes IV

June 29, 2014
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stone flakes IV

In this post I want to try something new, a causal graphical model. The aim here is just as much to get myself a feel what these things do as to understand how the stone flakes data fit together. DataData are stone flakes data which I analyzed previous...

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Simple script from setting up R, Git, and Jags on Amazon EC2 Ubuntu Instance

June 28, 2014
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Just wanted to put up the script I've been using to create an Amazon EC2 Ubuntu instance for running RStudio, Git, and Jags. There isn't anything really new in here, but it it has been serving me well. The script begins after the basic instance has bee...

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R Blog Readers Survey

June 28, 2014
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I've almost achieved my goal of a minimum of 100 quality responses.  I will keep the survey open for a couple more days, so if you haven't responded, please feel free to have a crack at it.Regards,Coryhttps://www.surveymonkey.com/s/7DY8DYH

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Lively R

June 27, 2014
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Next week, the UseR conference comes to UCLA.  And in anticipation, I thought a little foreshadowing would be nice.  Amelia McNamara, UCLA Stats grad student and rising stats ed star, shared with me a new tool that has the potential … Continue reading →

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