Introduction to Bayesian Inference with Stan with Michael Betancourt

Monday, February 03 2020 9:00 AM - Thursday, February 06 2020 5:00 PM [EST]

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General Admission (3-day) Partial Approval - $2,700.00

Mon Feb 3 to Wed Feb 5

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Advanced Techniques Partial Approval - $900.00

Thu Feb 6

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Monday, February 03 2020 9:00 AM - Thursday, February 06 2020 5:00 PM [EST]

Despite the promise of big data, inferences are often limited not by the size of data but rather by its systematic structure.  Only by carefully modeling this structure can we take fully advantage of the data -- big data must be complemented with big models and the algorithms that can fit them.  Stan is a platform for facilitating this modeling, providing an expressive modeling language for specifying bespoke models and implementing state-of-the-art algorithms to draw subsequent Bayesian inferences.

In this three day course (with an optional fourth day) we will introduce how to implement a robust Bayesian workflow in Stan, from constructing models to analyzing inferences and validating the underlying modeling assumptions.  The course will emphasize interactive exercises run through RStan, the R interface to Stan, and PyStan, the Python interface to Stan.

We will begin by surveying Bayesian inference, Bayesian computation, and a principled introduction to Stan and the Stan modeling language.  With a solid foundation we will move onto to the elements of a robust Bayesian workflow in practice and then continue to regression, hierarchical, and multilevel modeling techniques.

On the fourth day we will cover advanced modeling techniques, specifically Gaussian processes and Bayesian sparse regression with a focus on diagnostics and developing principled priors.

Prerequisites 

The course will assume familiarity with the basics of calculus, linear algebra, and probability theory.  For a self-contained introduction to the latter please review my probability theory, conditional probability theory, and common probability densities case studies.  The last will be particularly relevant.

In order to participate in the interactive exercises attendees must provide a laptop with the latest version of RStan or PyStan installed.  Please verify that you can run the 8schools model as discussed in the RStan Quick Start Guide or the PyStan Quick Start Guide and report any installation issues on the Stan Forums as early as possible.

Venue Details

The course will be held at 37 West 20th Street, 12th Floor, Suite 1207, in between the Flatiron and Chelsea neighborhoods of New York City.

Lunch and refreshments will be provided.

Cancelation Policy

Cancellations with refunds of the registration cost will be honored until January 3, 2020.  After January 3, 2020 cancellations will be considered only in the event of emergencies.

Testimonials

“We had a brilliant 3-day course at trivago with Michael Betancourt! The first day was filled with a very strong theoretical foundation for statistical modelling/decision making, followed by a crash course on MCMC and finished off with practical examples on how to diagnose healthy model fitting. In the 2nd and 3rd days we learned about many different types of hierarchical/multi-level models and spent most of the time practicing how to actually create and fit these models in Stan.

Michael is both a very engaging teacher, a very knowledgeable statistical modeller and, of course, a Stan master. This course has opened up new ways for us at trivago to gain better insights from our data through Stan models that fit our needs.”

-Data Scientists in the Automated Bidding Team, trivago

 

“The 1-day training course provided a great introduction to Bayesian models and their implementation in the Stan language. The practical focus really helped jumpstart our transition to Bayesian methods, and the slides, recorded lecture, and exercises also provide a great resource for new group members.” 

-Stanley Lazic, Associate Director in Statistics and Machine Learning, AstraZeneca

 

“Stan is the cream of the crop platform for doing Bayesian analysis and is particularly appealing because of its open source nature. The programming language and algorithms are well designed and thought out. With that said, Stan has a very steep learning curve requiring lots of hours to get up to speed on your own. I have been to two training courses taught by Dr. Michael Betancourt and took an opportunity to have some consulting time. These sessions have proven invaluable to improve my use of Stan, increased my learning and usage rate, and informed me how to diagnose and detect issues that will inevitable will arise.”

-Robert Johnson, Corporate R&D, Procter & Gamble

 

“The workshop at MIT led by Michael Betancourt was a fun and very useful introduction to Stan. Mike worked with us to customize the lectures to our interests, he presented the material in an engaging and accessible way, and the physicists who attended, many of whom had never used Stan before, left with the resources to begin developing our own analyses. Mike’s background in physics makes him an especially effective teacher for scientists. The coding exercises were thoughtfully developed to progress in complexity and were well-integrated into the course; having such useful exercises was critical for participants to successfully internalize the concepts presented in the lectures.”

 -Elizabeth Worcester, Associate Physicist, Department of Physics, Brookhaven National Laboratory

Michael Betancourt

Michael Betancourt is a research scientist with Symplectomorphic, LLC where he develops theoretical and methodological tools to support practical Bayesian inference. He is also a core developer of Stan, where he implements and tests these tools. In addition to hosting tutorials and workshops on Bayesian inference with Stan he also collaborates on analyses in epidemiology, pharmacology, and physics, amongst others. Before moving into statistics, Michael earned a B.S. from the California Institute of Technology and a Ph.D. from the Massachusetts Institute of Technology, both in physics.

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