Framework for statistical report-writing

June 10, 2015
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Framework for statistical report-writing

This framework helps teachers and students think about how to produce better statistical reports. Continue reading →

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Postdoc in psychometrics in Cardiff

June 10, 2015
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Richard Morey writes: I have a PhD position available at Cardiff University that I was hoping you might be able to publicise on your blog. It is for UK/EU students, and the project is negotiable but should be methods or statistical cognition. Here&#821...

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Worrying About my Cholesterol Level

June 10, 2015
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Worrying About my Cholesterol Level

The headline, "Don't Get Wrong Idea About Cholesterol", caught my attention in the 3 May, 2015 Times-Colonist newspaper here in Victoria, B.C.. In fact the article came from a syndicated column, published about a week earlier. No matter - it's always a...

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Estimating Analytics Software Market Share by Counting Books

June 9, 2015
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Below is the latest update to The Popularity of Data Analysis Software. Books The number of books published on each software package or language reflects its relative popularity. Amazon.com offers an advanced search method which works well for all the software except R … Continue reading →

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Batch effects are everywhere! Deflategate edition

June 9, 2015
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Batch effects are everywhere! Deflategate edition

In my opinion, batch effects are the biggest challenge faced by genomics research, especially in precision medicine. As we point out in this review, they are everywhere among high-throughput experiments. But batch effects are not specific to genomics technology. In fact, in this 1972 paper (paywalled), WJ Youden describes batch effects in the context of measurements made by physicists.

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The posterior distribution of the likelihood ratio as a summary of evidence

June 9, 2015
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Gabriel Marinello writes: I am a PhD student in Astrophysics and am writing this email to you because an enquiry about point null hypothesis testing (H0: Theta = Theta0 and H1: Theta != Theta0) in a bayesian context and I think that your pragmatic stance would be helpful. In Astrophysics is not rare to find […] The post The posterior distribution of the likelihood ratio as a summary of evidence…

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Mosquito, shoebox, and an ingenious apartment design

June 9, 2015
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Mosquito, shoebox, and an ingenious apartment design

First, I saw Alberto tweet his design for the Wall Street Journal (below is the English version): The yellow space is the size of the smallest "livable" apartment in Hong Kong, known as the "mosquito" apartment. Livability is defined by...

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Using system and web fonts in R plots

June 9, 2015
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Using system and web fonts in R plots

The forthcoming R Journal has an interesting article on the showtext package by Yixuan Qiu. The package allows me to use system and web fonts directly in R plots, reminding me a little of the approach taken by XeLaTeX. But "unlike other methods to embe...

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I’m a data scientist – mind if I do surgery on your heart?

June 8, 2015
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There has been a lot of recent interest from scientific journals and from other folks in creating checklists for data science and data analysis. The idea is that the checklist will help prevent results that won't reproduce or replicate from the literature. One analogy that I'm frequently hearing is the analogy with checklists for surgeons that can

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Summer dataviz workshop to start July 1

June 8, 2015
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Registration is open for my dataviz workshop at NYU. (link) This is a workshop in the sense of a creative writing workshop. Your "writing" are sketches of data visualization based on your selected datasets. In class, we critique all of...

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Survival of the fittest (health economic model)

June 8, 2015
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Survival of the fittest (health economic model)

To make up for the fact that we've missed a couple of slots over the past months in our seminar series, we thought we organised a more structured event. So, our next seminar will in fact be a workshop and will be held at UCL on 7 July from 1.30pm ...

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“The psychologists are getting a hard time for doing what they do, whereas people doing real harm to society are happily roaming around like free range chicken”

June 8, 2015
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“The psychologists are getting a hard time for doing what they do, whereas people doing real harm to society are happily roaming around like free range chicken”

Shravan Vasishth writes: At least people like Amy Cuddy are just doing bullshit research that’s harmless (after all, raising your arms up high before an interview is unlikely to hurt society much). But check out this MIT “Professor” explaining the “statistically significant” autism-vaccine “connection”: She even takes a notorious, fraudulent, and retracted Lancet article as […] The post “The psychologists are getting a hard time for doing what they do,…

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Video seminar

June 8, 2015
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Later this week, I'm off to Madrid to examine a PhD candidate at UNED (that's the Spanish Open University). This is interesting work on probabilistic network for health economic evaluation, so it should be good.As part of my trip, I'll also give a...

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On deck this week

June 8, 2015
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Mon: “The psychologists are getting a hard time for doing what they do, whereas people doing real harm to society are happily roaming around like free range chicken” Tues: The posterior distribution of the likelihood ratio as a summary of evidence Wed: “Best Linear Unbiased Prediction” is exactly like the Holy Roman Empire Thurs: Applied […] The post On deck this week appeared first on Statistical Modeling, Causal Inference, and…

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Fit a circle to data

June 8, 2015
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Fit a circle to data

I still remember the first time I was asked to "consult" on a statistical problem. A former physics professor had some students who had gathered data that should lie along an arc of a theoretical circle. The professor asked if there was a regression technique that could find the center […] The post Fit a circle to data appeared first on The DO Loop.

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Econometric Seasonality Research is Back

June 7, 2015
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Seasonality research is back! Well, at least a bit.I recall heady earlier days, with classic work like Granger's typical spectral shape, mutiplicative seasonal Box-Jenkins and the airline model, Nerlove's unobserved-components models and Harvey's basic...

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What to do to train to apply statistical models to political science and public policy issues

June 7, 2015
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Taylor Good writes: I am a graduate of a state school with a BS in Math and a BA in Political Science, and I was wondering if you could give me some career advice. Knowing how you got to where you are now, what path would you advise someone to take to get to where […] The post What to do to train to apply statistical models to political science…

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European debt and interest

June 7, 2015
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European debt and interest

I was told the Eurostat package would be interesting for me.  This is indeed true and now I want to use it to plot some data which are related core of some of the European policies; debt.In these plots I only show individual countries, not aggrega...

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36-402, Advanced Data Analysis, Spring 2015: Self-Evaluation and Lessons Learned

June 7, 2015
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Attention conservation notice: 2000+ words of academic navel-gazing about teaching a weird class in an obscure subject at an unrepresentative school; also, no doubt, more complacent than it ought to be. Once again, it's the brief period between submi...

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Statistical Calculations & Numerical Accuracy

June 6, 2015
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Statistical Calculations & Numerical Accuracy

This post is for those readers who're getting involved with economic statistics for the first time. Basically, it serves as a warning that sometimes the formulae that you learn about have to be treated with care when it comes to the actual numerical im...

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Books to Read While the Algae Grow in Your Fur, May 2015

June 6, 2015
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Attention conservation notice: I have no taste. Cixin Liu, The Three-Body Problem (translated by Ken Liu [no relation]) A really remarkably engrossing novel of first contact. (I will refer you to James Nicoll for plot summary.) As a novel of first...

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“History is the prediction of the present”

June 6, 2015
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Ethan Bolker sent me an email with the above title and wrote: That’s the first sentence of a Louis Menand book review in the March 30 New Yorker. It touches on some ideas you play with. If you haven’t seen it, you might put it on your (long?) queue of things to read, maybe blog […] The post “History is the prediction of the present” appeared first on Statistical Modeling,…

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Big Data and Official Statistics

June 5, 2015
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Big Data and Official Statistics

  Big Data is THE topic of the freshly published Statistical Journal of the IAOS – Volume 31, issue 2. . Five articles deal with Big-Data topics: International collaboration to understand the relevance of Big Data for official statistics Web scraping techniques to collect data on consumer electronics and airfares for Italian HICP compilation The production of … Continue reading Big Data and Official Statistics

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