Blog Archives

Kéry and Schaub’s Bayesian Population Analysis Translated to Stan

January 21, 2016
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Kéry and Schaub’s Bayesian Population Analysis Translated to Stan

Hiroki ITÔ (pictured) has done everyone a service in translating to Stan the example models [update: only chapters 3–9 so far, not the whole book; the rest are in the works] from Marc Kéry and Michael Schaub (2012) Bayesian Population Analysis using WinBUGS: A Hierarchical Perspective. Academic Press. You can find the code in our […] The post Kéry and Schaub’s Bayesian Population Analysis Translated to Stan appeared first on…

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Jim Albert’s Baseball Blog

January 20, 2016
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Jim Albert’s Baseball Blog

Jim Albert has a baseball blog: Baseball with R I sent a link internally to people I knew were into baseball, to which Andrew replied, “I agree that it’s cool that he doesn’t just talk, he has code.” (No kidding—the latest post as of writing this was on an R package to compute value above […] The post Jim Albert’s Baseball Blog appeared first on Statistical Modeling, Causal Inference, and…

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McElreath’s Statistical Rethinking: A Bayesian Course with Examples in R and Stan

January 15, 2016
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McElreath’s Statistical Rethinking: A Bayesian Course with Examples in R and Stan

We’re not even halfway through with January, but the new year’s already rung in a new book with lots of Stan content: Richard McElreath (2016) Statistical Rethinking: A Bayesian Course with Examples in R and Stan. Chapman & Hall/CRC Press. This one got a thumbs up from the Stan team members who’ve read it, and […] The post McElreath’s Statistical Rethinking: A Bayesian Course with Examples in R and Stan…

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Stan 2.9 is Here!

January 12, 2016
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Stan 2.9 is Here!

We’re happy to announce that Stan 2.9.0 is fully available(1) for CmdStan, RStan, and PyStan — it should also work for Stan.jl (Julia), MatlabStan, and StataStan. As usual, you can find everything you need on the Stan Home Page. The main new features are: R/MATLAB-like slicing of matrices. There’s a new chapter in the user’s […] The post Stan 2.9 is Here! appeared first on Statistical Modeling, Causal Inference, and…

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Stan at NIPS 2015

December 5, 2015
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Stan at NIPS 2015

With NIPS 2014 a distant memory, we have a web page covering all the Stan-related activity at NIPS 2015 Including how to score a nifty Stan sticker. If you have something else to add to the list, let us know in the comments. The post Stan at NIPS 20...

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Stan Puzzle 2: Distance Matrix Parameters

November 20, 2015
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Stan Puzzle 2: Distance Matrix Parameters

This puzzle comes in three parts. There are some hints at the end. Part I: Constrained Parameter Definition Define a Stan program with a transformed matrix parameter d that is constrained to be a K by K distance matrix. Recall that a distance matrix must satisfy the definition of a metric for all i, j: […] The post Stan Puzzle 2: Distance Matrix Parameters appeared first on Statistical Modeling, Causal…

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4 for 4.0 — The Latest JAGS

November 6, 2015
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This post is by Bob Carpenter. I just saw over on Martyn Plummer’s JAGS News blog that JAGS 4.0 is out. Martyn provided a series of blog posts highlighting the new features: 1. Reproducibility: Examples will now be fully reproducible draw-for-draw and chain-for-chain with the same seed. (Of course, compiler, optimization level, platform, CPU, and […] The post 4 for 4.0 — The Latest JAGS appeared first on Statistical Modeling,…

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You’ll never guess what’s been happening with PyStan and PyMC—Click here to find out.

October 15, 2015
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PLEASE NOTE: This is a guest post by Llewelyn Richards-Ward. When there are two packages appearing to do the same thing, lets return to the Zen of Python which suggests that: There should be one—and preferably only one—obvious way to do it. Why is this particular mantra important? I think because the majority of users […] The post You’ll never guess what’s been happening with PyStan and PyMC—Click here to…

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Stan PK/PD Tutorial at the American Conference on Pharmacometrics, 8 Oct 2015

October 2, 2015
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Bill Gillespie, of Metrum, is giving a tutorial next week at ACoP: Getting Started with Bayesian PK/PD Modeling Using Stan: Practical use of Stan and R for PK/PD applications Thursday 8 October 2015, 8 AM — 5 PM, Crystal City, VA This is super cool for us, because Bill’s not one of our core developers […] The post Stan PK/PD Tutorial at the American Conference on Pharmacometrics, 8 Oct 2015…

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Solution to Stan Puzzle 1: Inferring Ability from Streaks

October 2, 2015
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Solution to Stan Puzzle 1: Inferring Ability from Streaks

If you missed it the first time around, here’s a link to: Stan Puzzle 1: Inferring Ability from Streaks First, a hat-tip to Mike, who posted the correct answer as a comment. So as not to spoil the surprise for everyone else, Michael Betancourt (different Mike), emailed me the answer right away (as he always […] The post Solution to Stan Puzzle 1: Inferring Ability from Streaks appeared first on…

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