## Difference-in-Differences With Missing Data

January 9, 2016
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This brief post is a "shout out" for  Irene Botusaru (Economics, Simon Fraser University) who gave a great seminar in our department yesterday.The paper that she presented (co-authored with Federico Guitierrez), is titled "Diff...

## Why are trolls so bothersome?

January 9, 2016
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We don’t get a lot of trolls on this blog. When people try, I typically respond with some mixture of directness and firmness, and the trolls either give up or perhaps they recognize that I am answering questions in sincerity, which does not serve their trollish purposes. But I’m pretty sure that my feeling is […] The post Why are trolls so bothersome? appeared first on Statistical Modeling, Causal Inference,…

## Asymmetric funnel plots without publication bias

January 9, 2016
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In my last post about standardized effect sizes, I showed how averaging across trials before computing standardized effect sizes such as partial $$\eta^2$$ and Cohen's d can produce arbitrary estimates of those quantities. This has drastic implications...

## A Data Science Solution to the Question "What is Data Science?"

January 8, 2016
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As this flowchart from Wikipedia illustrates, data science is about collecting, cleaning, analyzing and reporting data. But is it data science or just or a "sexed up term" for Statistics (see embedded quote by Nate Silver)? It's difficult to separ...

January 8, 2016
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## Plausibility vs. probability, prior distributions, and the garden of forking paths

January 4, 2016
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I’ll start off this blog on the first work day of the new year with an important post connecting some ideas we’ve been lately talking a lot about. Someone rolls a die four times, and he tells you he got the numbers 1, 4, 3, 6. Is this a plausible outcome? Sure. Is is probable? […] The post Plausibility vs. probability, prior distributions, and the garden of forking paths appeared…

## On deck this week

January 4, 2016
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Mon: Plausibility vs. probability, prior distributions, and the garden of forking paths Tues: PACE study and the Lancet: Journal reputation is a two-way street Wed: The PACE trial and the problems with discrete, yes/no thinking Thurs: Givewell wants to put lithium in your drinking water Fri: Read this to change your entire perspective on statistics: […] The post On deck this week appeared first on Statistical Modeling, Causal Inference, and…

## Happy new year. Did you have a white Christmas?

January 4, 2016
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Happy 2016. I spent time with the family in California, wiping out any chance of a white Christmas, although I hear that the probability would have been miniscule even had I stayed. I did come across a graphic that tried...