Berlin, 25-29 March 2019

BGBM/ Freie Universität Berlin, Königin-Luise-Straße 6-8, 14195 Berlin

In recent years, Bayesian methods have come to be widely adopted in all areas of science. This is in large part due to the development of sophisticated software for probabilisic programming; a recent example is the astonishing computing capability afforded by the language Stan (mc-stan.org). However, the underlying theory needed to use this software sensibly is often inaccessible because end-users don't necessarily have the statistical and mathematical background to read the primary textbooks (such as Gelman et al's classic Bayesian data analysis, 3rd edition). In this course, we seek to cover this gap, by providing a relatively accessible and technically non-demanding introduction to the basic workflow for fitting different kinds of linear models using Stan. To illustrate the capability of Bayesian modeling, we will use the R package RStan and a powerful front-end R package for Stan called brms.

We assume familiarity with R. Participants will benefit most if they have previously fit linear models and linear mixed models (using lme4) in R, in any
scientific domain. No knowledge of calculus or linear algebra is assumed, but basic school level mathematics knowledge is assumed (this will be quickly revisited in class).

Some examples: given some variables $x, x_1,
x_2$; what is $x^a \times x^b$; what is $\exp(x_1)\times \exp(x_2)$; what is $\log(\exp(x))$; what is $\log(x_1 \times x_2)$.

After completing this course, the participant will have become familiar with the foundations of Bayesian inference using Stan (RStan and brms), and will be able to fit a range of multiple regression models and hierarchical models, for normally distributed data, and for log-normal, poisson, multinomial, and binomially distributed data. They will know how to calibrate their models using prior and posterior predictive checks; they will be able to establish true and false discovery rates to validate discovery claims, and to carry out model comparison using cross-validation methods, and Bayes factors.

- For beginning readers (the intended audience for this course): A Student's Guide to Bayesian Statistics, by Ben Lambert. See: https://www.amazon.co.uk/Students-Guide-Bayesian-Statistics/dp/1473916364

- For technically sophisticated readers (familiarity with calculus and linear algebra assumed): Michael Betancourt's writings and case studies. See:
https://betanalpha.github.io/

Monday- 09:30- 17:30

Foundations of Bayesian inference

- Probability theory and Bayes-Price-Laplace's rule

- Probability distributions

- Understanding and eliciting priors

- Analytical Bayes: Beta-Binomial, Poisson-Gamma, Normal-Normal

COURSE + REFRESHMENTS

Package 2

COURSE + REFRESHMENTS + LUNCH and ACCOMMODATION

** 480 €**

** 795 €**

Registration deadline: 25th February 2019

Cancellation Policy:

> 30 days before the start date = 30% cancellation fee

< 30 days before the start date= No Refund.

Physalia-courses cannot be held responsible for any travel fees, accommodation or other expenses incurred to you as a result of the cancellation.

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