Fitting the Besag, York, and Mollie spatial autoregression model with discrete data

Rudy Banerjee writes: I am trying to use the Besag, York & Mollie 1991 (BYM) model to study the sociology of crime and space/time plays a vital role. Since many of the variables and parameters are discrete in nature is it possible to develop a BYM that uses an Integer Auto-regressive (INAR) process instead of […]

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Tour Guide Mementos (Excursion 1, Tour I of How to Get Beyond the Statistics Wars)

Tour guides in your travels jot down Mementos and Keepsakes from each Tour[i]. Their scribblings, which may at times include details, at other times just a word or two, may be modified through the Tour, and in response to questions from travelers (so please check back). Since these are just mementos, they should not be […]

Stan development in RStudio

Check this out! RStudio now has special features for Stan: – Improved, context-aware autocompletion for Stan files and chunks – A document outline, which allows for easy navigation between Stan code blocks – Inline diagnostics, which help to find issues while you develop your Stan model – The ability to interrupt Stan parallel workers launched […]

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David Brooks discovers Red State Blue State Rich State Poor State!

The New York Times columnist writes: Our political conflict is primarily a rich, white civil war. It’s between privileged progressives and privileged conservatives. You could say that tribalism is the fruit of privilege. People with more stresses in their lives necessarily pay less attention to politics. . . . I’ve had some differences with Brooks […]

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The AAA tranche of subprime science, revisited

Tom Daula points us to this article, “Mortgage-Backed Securities and the Financial Crisis of 2008: A Post Mortem,” by Juan Ospina and Harald Uhlig. Not our usual topic at this blog, but then there’s this bit on page 11: We break down the analysis by market segment defined by loan type (Prime, Alt-A, and Subprime). […]

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