Blog Archives

Exercise Solutions for Chapters 1-14 of DBDA2E are now available

December 7, 2014
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Exercise Solutions for Chapters 1-14 of DBDA2E are now available

Exercise Solutions for Chapters 1-14 of DBDA2E are now available at the book's web site.

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June & July workshops in Bayesian data analysis

December 2, 2014
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June & July workshops in Bayesian data analysis

Full list of workshops is here. Upcoming workshops include these:2015 June 1 - 5. Five-day course: Doing Bayesian Data Analysis, at Stats Camp, Dallas, Texas.2015 June 15-19. Five-day course: Doing Bayesian Data Analysis. University of St. Gallen, Swit...

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An example of hierarchical conditional-logistic Bayesian estimation, applied to punishment choice in a public goods game.

November 30, 2014
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An example of hierarchical conditional-logistic Bayesian estimation, applied to punishment choice in a public goods game.

Conditional-logistic regression and softmax regression (a.k.a. multinomial logit regression) are covered in Chapter 22 of DBDA2E, but no examples of hierarchical versions are given in that chapter. An example of hierarchical conditional-logistic Bayesi...

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How can I learn Bayesian modeling?

November 28, 2014
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An email inquires:Dear Sir, Greetings. I am a PhD ... student based in [country]. I work in the area of [...] and much of the new models in this area are based on Bayesian approach. I too feel this approach needs to [be] adopted ... . I Sir would too l...

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Warning message in runjags turned off in new version of DBDA2E utilities

November 26, 2014
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Warning message in runjags turned off in new version of DBDA2E utilities

A reader pointed out that programs that accompany DBDA2E and use runjags produce a disconcerting warning message about "starting parallel chains without setting different PRNG for each chain. Different .RNG.name values have been added to each set of ...

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eBook and Kindle of DBDA2E now available

November 25, 2014
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The eBook (PDF) and Kindle editions of Doing Bayesian Data Analysis, 2nd Edition, are now available. The book web page has relevant links.

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Ordinal probit regression: Transforming polr() parameter values to make them more intuitive

November 21, 2014
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Ordinal probit regression: Transforming polr() parameter values to make them more intuitive

In R, the polr function in the MASS package does ordinal probit regression (and ordinal logistic regression, but I focus here on probit). The polr function yields parameter estimates that are difficult to interpret intuitively because they assume a bas...

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2nd Edition has shipped (Doing Bayesian Data Analysis)

November 10, 2014
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2nd Edition has shipped (Doing Bayesian Data Analysis)

I am told by some readers that they have received a physical copy of the 2nd Edition of Doing Bayesian Data Analysis, but I have yet to see it myself. I hope the paper is heavy and opaque, but the book lifts the spirits and the concepts are transparent...

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2nd Edition of Doing Bayesian Data Analysis available November 2014

October 8, 2014
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2nd Edition of Doing Bayesian Data Analysis available November 2014

The 2nd Edition of Doing Bayesian Data Analysis will be available in early or mid November, 2014. The book is completely re-written from cover to cover, with loads of new material, and all new programs. For complete information, please see the book's n...

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Doing Bayesian Data Analysis in Python

September 29, 2014
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Do you prefer Python? Some readers have undertaken to translate the computer programs from Doing Bayesian Data Analysis into Python, including Osvaldo Martin, who has this GitHub site for his ongoing project. If you are interested in what he has done, ...

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