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https://github.com/jgabry/nyr-stan-workshop-2023

NY R Stan Workshop 2023
https://github.com/jgabry/nyr-stan-workshop-2023

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NY R Stan Workshop 2023

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# NYR Conference 2023

### Install needed software

```r
# install R packages
install.packages(c("dplyr", "lubridate", "ggplot2", "bayesplot", "posterior", "remotes"))
remotes::install_github("stan-dev/cmdstanr")

# install cmdstan
# please post on discourse.mc-stan.org if you run into errors
cmdstanr::install_cmdstan(cores = 2)

# check if cmdstan installation works properly
# please post on discourse.mc-stan.org if you run into errors
cmdstanr::cmdstanr_example()

# optionally install rstan
# we won't _need_ this but it has some extra features we can use if you have it installed
# if it fails to install don't worry about it
install.packages("rstan")
```

### Interactive MCMC demo

We'll use this on day 2:

https://chi-feng.github.io/mcmc-demo/app.html

### Tentative Agenda

(This may change substantially based on how we end up tailoring the content to the specific group we have.)

Day 1 Morning

- Intro Bayesian workflow and Stan
- Intro to the running example we'll use throughout the class

Day 1 Afternoon

- Write first Stan program

Day 2 Morning

- Expand our Stan program and check for improved model fit
- Start discussing hierarchical models if there's time

Day 2 Afternoon

- Hierarchical models with varying intercepts
- Reparameterization based on sampler diagnostics
- How does Stan's MCMC algorithm work?

Topics we won't have time to cover but are included in the workshop materials:

- Varying slopes model
- Time varying parameters
- Forecasting and decision making