Blog Archives

Markov chain Monte Carlo doesn’t “explore the posterior”

March 25, 2019
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Markov chain Monte Carlo doesn’t “explore the posterior”

First some background, then the bad news, and finally the good news. Spoiler alert: The bad news is that exploring the posterior is intractable; the good news is that we don’t need to explore all of it. Sampling to characterize the posterior There’s a misconception among Markov chain Monte Carlo (MCMC) practitioners that the purpose

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NYC Meetup Thursday: Under the hood: Stan’s library, language, and algorithms

January 11, 2019
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I (Bob, not Andrew!) will be doing a meetup talk this coming Thursday in New York City. Here’s the link with registration and location and time details (summary: pizza unboxing at 6:30 pm in SoHo): Bayesian Data Analysis Meetup: Under the hood: Stan’s library, language, and algorithms After summarizing what Stan does, this talk will

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StanCon Helsinki streaming live now (and tomorrow)

August 30, 2018
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We’re streaming live right now! Thursday 08:45-17:30: YouTube Link Friday 09:00-17:00: YouTube Link Timezone is Eastern European Summer Time (EEST) +0300 UTC Here’s a link to the full program . There have already been some great talks and they’ll all be posted with slides and runnable source code after the conference on the Stan The post StanCon Helsinki...

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StanCon Helsinki streaming live now (and tomorrow)

August 30, 2018
By

We’re streaming live right now! Thursday 08:45-17:30: YouTube Link Friday 09:00-17:00: YouTube Link Timezone is Eastern European Summer Time (EEST) +0300 UTC Here’s a link to the full program . There have already been some great talks and they’ll all be posted with slides and runnable source code after the conference on the Stan The post StanCon Helsinki...

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Thanks, NVIDIA

August 1, 2018
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Thanks, NVIDIA

Andrew and I both received a note like this from NVIDIA: We have reviewed your NVIDIA GPU Grant Request and are happy support your work with the donation of (1) Titan Xp to support your research. Thanks! In case other people are interested, NVIDA’s GPU grant program provides ways for faculty or research scientists to The post Thanks, NVIDIA...

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Thanks, NVIDIA

August 1, 2018
By
Thanks, NVIDIA

Andrew and I both received a note like this from NVIDIA: We have reviewed your NVIDIA GPU Grant Request and are happy support your work with the donation of (1) Titan Xp to support your research. Thanks! In case other people are interested, NVIDA’s GPU grant program provides ways for faculty or research scientists to The post Thanks, NVIDIA...

Read more »

Thanks, NVIDIA

August 1, 2018
By
Thanks, NVIDIA

Andrew and I both received a note like this from NVIDIA: We have reviewed your NVIDIA GPU Grant Request and are happy support your work with the donation of (1) Titan Xp to support your research. Thanks! In case other people are interested, NVIDA’s GPU grant program provides ways for faculty or research scientists to The post Thanks, NVIDIA...

Read more »

Where do I learn about log_sum_exp, log1p, lccdf, and other numerical analysis tricks?

July 12, 2018
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Richard McElreath inquires: I was helping a colleague recently fix his MATLAB code by using log_sum_exp and log1m tricks. The natural question he had was, “where do you learn this stuff?” I checked Numerical Recipes, but the statistical parts are actually pretty thin (at least in my 1994 edition). Do you know of any books/papers The post Where do...

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Where do I learn about log_sum_exp, log1p, lccdf, and other numerical analysis tricks?

July 12, 2018
By

Richard McElreath inquires: I was helping a colleague recently fix his MATLAB code by using log_sum_exp and log1m tricks. The natural question he had was, “where do you learn this stuff?” I checked Numerical Recipes, but the statistical parts are actually pretty thin (at least in my 1994 edition). Do you know of any books/papers The post Where do...

Read more »

Where do I learn about log_sum_exp, log1p, lccdf, and other numerical analysis tricks?

July 12, 2018
By

Richard McElreath inquires: I was helping a colleague recently fix his MATLAB code by using log_sum_exp and log1m tricks. The natural question he had was, “where do you learn this stuff?” I checked Numerical Recipes, but the statistical parts are actually pretty thin (at least in my 1994 edition). Do you know of any books/papers The post Where do...

Read more »

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