Released: an Illustrated Guide to Income in the United States

March 20, 2013
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Released: an Illustrated Guide to Income in the United States

Has the income distribution changed over the last decades? How do the incomes of celebrities, CEOs and hedge fund managers compare?? The book "An Illustrated Guide to Income in the United States" [visualizingeconomics.com] designed by data visualizati...

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Goin’ rogue on p-values

March 20, 2013
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Goin’ rogue on p-values

I think it’s fair to say that anyone who’s spent any time teaching statistics has spent a good deal of that time trying to explain to students how to interpret the p-value produced by some test statistic, like the t-statistic on a regression coefficient. Most students want to interpret the p-value as , which is […]

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On the acceptance of R

March 20, 2013
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Some history and a prediction. Past A discussion broke out on the R-help mailing list in January 2006 about a technical report put out by the statistical computing group at UCLA.  The report in question talked mainly about SAS, SPSS and Stata.  It talked briefly — and not especially positively — about R.  Someone accused […]The post On the acceptance of R appeared first on Burns Statistics.

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The Art of R Programming review – part 4

March 20, 2013
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As mentioned in part 3 of this series, I'll now touch on some random interesting topics from the remaining chapters in this book in a more structured manner. Chapter 7 covers programming structures, that is, for and while loops, if-else statements, an...

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Stan at Google this Thurs and at Berkeley this Fri noon

March 20, 2013
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Stan at Google this Thurs and at Berkeley this Fri noon

Michael Betancourt will be speaking at Google and at the University of California, Berkeley. The Google talk is closed to outsiders (but if you work at Google, you should go!); the Berkeley talk is open to all: Friday March 22, 12:10 pm, Evans Hall 1011. Title of talk: Stan: Practical Bayesian Inference with Hamiltonian Monte [...]

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Being locked up in a room with nothing but a bed and food

March 20, 2013
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Being locked up in a room with nothing but a bed and food

Imagine you are locked up in a hospital room with a bed and plenty of food. What do you think you'd be doing when you aren't sleeping? *** Well, some researchers (link) discovered that you'd be eating the food. What a surprise. The New York Times then saw it fit to report this result as "Lost Sleep Can Lead to Weight Gain", which isn't as bad as the lead given…

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Got Matrix? Reach for the SAS/IML language

March 20, 2013
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Got Matrix? Reach for the SAS/IML language

Someone recently asked a question on the SAS Support Communities about estimating parameters in ridge regression. I answered the question by pointing to a matrix formula in the SAS documentation. One of the advantages of the SAS/IML language is that you can implement matrix formulas in a natural way. The [...]

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Shaking the Bayesian Machine

March 20, 2013
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Shaking the Bayesian Machine

Yesterday we were fortunate to have Brad Efron visit our department and gave a seminar. Brad is one of the most famous statisticians in the world and his contributions to the field of statistics are too numerous to list. Probably he is best known for: inventing the bootstrap, for starting the field of the geometry […]

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R’s 2012 Growth in Capability Exceeds SAS’ All Time Total

March 19, 2013
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R’s 2012 Growth in Capability Exceeds SAS’ All Time Total

by Robert A. Muenchen I’m slowly gathering all the data needed to update my ongoing article, The Popularity of Data Analysis Software. The section below is the latest installment. Growth in Capability The capability of all the software in this … Continue reading →

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knitr2wordpress and gradient_cloud Revisited

March 19, 2013
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knitr2wordpress and gradient_cloud Revisited

This post serves three function: It allows me to revisit an old blogpost It let's me test out the new-ish knitr function knti2wp and RWordPress It enables me to avoid the massive ammount of reading I need to do and … Continue reading →

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“Ronald Reagan is a Statistician and Other Examples of Learning From Diverse Sources of Information”

March 19, 2013
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That’s the title of my talk at Montana State University this Thursday (21 Mar). For those of you who happen to be in the area, it’s 3:30-5:00pm in the Procrastinator Theater. I’m also speaking in the statistics seminar from 11-12:15 in the Byker Auditorium in the Chemistry building. Topic: Causality and Statistical Learning. P.S. My [...]

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Data structures are important

March 19, 2013
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Data structures are important

I’ve created another D3 example, of QTL analysis for a phenotype measured over time. (Click on the image for the interactive version.) The code is on github. It took me about a day. The hardest part was figuring out the right data structures. A pixel here is linked to curves over there and over there […]

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Call for papers for a special issue of Statistical Analysis and Data Mining

March 19, 2013
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David Madigan sends the following. It looks like a really interesting place to submit papers for both statisticians and data scientists, so submit away! Statistical Analysis and Data Mining, An American Statistical Association Journal Call for Papers Special Issue on … Continue reading →

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ENAR highs and lows

March 19, 2013
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ENAR highs and lows

I attended the ENAR meeting in Orlando, Florida, last week. (ENAR = “Eastern North American Region” of the International Biometric Society.) I had a great time, but I did come to the strong realization that what I view as important is distinctly different from what the typical ENAR attendee views as important. (Rafa said, incredulously, […]

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Retraction watch

March 19, 2013
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Here (from the Annals of Applied Statistics). “Thus, arguably, all of Section 3 is wrong until proven otherwise.” As with retractions in general, it makes me wonder about the rest of this guy’s work. Dr. Anil Potti would be pooping i...

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Software Carpentry Bootcamp at University of Virginia

March 19, 2013
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Software Carpentry Bootcamp at University of Virginia

A couple of weeks ago I, with the help of others here at UVA, organized a Software Carpentry bootcamp, instructed by Steve Crouch, Carlos Anderson, and Ben Morris. The day before the course started, Charlottesville was racked by nearly a foot of s...

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In search of the honest credit repair shop

March 19, 2013
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In search of the honest credit repair shop

FTC made the headlines recently complaining about inaccurate consumer credit reports. The Wall Street Journal (link) has a typical report on this research. Here's their summary: In the FTC study, 262 of the 1,001 people who reviewed their credit reports spotted at least one potential "material" mistake, such as a credit-card account that wasn't theirs or a late payment that they didn't believe was late. That sounds like a worrisome…

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How not to reveal your MySQL DB login/password when sharing code on GitHub or BitBucket?

March 19, 2013
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Solution: use your ~/.my/cnfInside your ~/.my.cnf file define the connection parameters to your databases. For example, here I define two groups called local and toto:[local]user = rootpassword = ultra_secrethost = localhost[toto]user = capitaine_flamp...

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googleVis 0.4.2 with support for shiny released on CRAN

March 19, 2013
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googleVis 0.4.2 with support for shiny released on CRAN

The new version of googleVis 0.4.2 is now available via CRAN. Many thanks to all who provided feedback on version 0.4.0 and particularly to Sebastian Campbell, John Maindonald and Aonan Zhang. As usual, if you find any issues or bugs, please send us an...

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R: Create Watermark for SAS ODS Reports

March 19, 2013
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R: Create Watermark for SAS ODS Reports

Now to see if we can add some watermarks in SAS ODS - I've seen pages on how to create watermarked reports using background images. The first part is creating the background image: we can steal some code from the earlier post on watermarks in R, and ad...

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R: Reproducible Research – Watermarks in Plots

March 19, 2013
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R: Reproducible Research – Watermarks in Plots

Research is an iterative process: data is constantly being acquired, cleaned, and finalized while the analysis is being conducted. Since we work in a constantly evolving data and program landscape, version control is extremely important when programmin...

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Mertz’s reply to Unz’s response to Mertz’s comments on Unz’s article

March 18, 2013
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Here. And here’s the story so far: Ron Unz posted a long article on college admissions of Asians and Jews with some numbers and comparisons that made their way into some blogs (including here) and also a David Brooks NYT column which was read by many people, including Janet Mertz, who’d done previous research on [...]

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Talking Pictures

March 18, 2013
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Talking Pictures

A picture talks. ‘If a picture can say a thousand words, the combination of information and imagery could be wort …Continue reading »

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