Statistics

Statistics Blogs

Nature is hiring a data editor…how will they make sense of the data?

April 26, 2012
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It looks like the journal Nature is hiring a Chief Data Editor (link via Hilary M.). It looks like the primary purpose of this editor is to develop tools for collecting, curating, and distributing data with the goal of improving reproducible research....

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Microarrays suck

April 25, 2012
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Microarrays suck

Maybe it’s just that I’m stupid and haven’t been paying proper attention to Rafa’s work in the past decade, but microarray data have really been kicking my ass the last few weeks. Here are a few of the lessons that I’ve re-learned. Lesson 1: What the hell is that? Many (or all) of my interesting [...]

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Fog warning system: part three

April 25, 2012
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Fog warning system: part three

Background: I am trying to evaluate the effect on traffic safety of a fog warning system deployed in California in November 1996.  The system was installed by CalTrans on a section of I-5 and SR-120 near Stockton where the accident rate is g...

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How do I know if my figure is too complicated?

April 25, 2012
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One of the key things every statistician needs to learn is how to create informative figures and graphs. Sometimes, it is easy to use off-the-shelf plots like barplots, histograms, or if one is truly desperate a pie-chart.  But sometimes the informat...

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Trying Out WordPress

April 25, 2012
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Trying Out WordPress

I’ve had my site http://r4stats.com on Google Sites for a few years now and it’s time to try something new. Most of the articles there are not very blog-like. For example, The Popularity of Data Analysis Software is an article … Continue reading →

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One dollar = one dollar?

April 25, 2012
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One dollar = one dollar?

A dollar is a dollar, no more, no less. But why did someone spend  $70,000 in advertisements inside the  D.C. subway station for keeping the dollar bill, instead of going with one dollar coin? One ad says: “Tell Congress to stop wasting time trying to eliminate the dollar bill.” Another asks: “Do you heart the dollar?” Apparently, one [...]

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Priors on probability measures

April 24, 2012
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Priors on probability measures

Hi, for the next GTB meeting at Crest, 3rd May, I will present Peter Orbanz‘ work on Projective limit random probabilities on Polish spaces. It will follow my previous presentation about Bayesian nonparametrics on the Dirichlet process. The article provides a means of constructing any arbitrary prior distribution on the set of probability measures by […]

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【Bio-Glossary】Biological Replicates vs Technical Replicates

April 24, 2012
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【Bio-Glossary】Biological Replicates vs Technical Replicates

The meaning of the term ”Biological Replicate”  unfortunately often does not get adequately addressed in many publications. “Biological Replicate” can have multiple meanings, depending upon the context of the study. A general definition could be that biological replicates are when the same type of organism is grown/treated under the same conditions. For example, if one [...]

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On the future of personalized medicine

April 24, 2012
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Jeff Leek, Reeves Anderson, and I recently wrote a correspondence to Nature (subscription req.) regarding the Supreme Court decision in Mayo v. Prometheus and the recent Institute of Medicine report related to the Duke Clinical Trials Saga.  The bas...

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