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SPECIFICTION
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Stan Playground

stan-playground.flatironinstitute.org

Free plan WebSelf-hosted

Spec sheet

Purpose
Stan Playground is an in-browser editor and execution environment for Stan statistical models.Read 11 Oct 2026 · joss.theoj.org
Deployment
cloudRead 23 Sep 2026 · stan-playground.flatironinstitute.org
Free plan
YesRead 23 Sep 2026 · stan-playground.flatironinstitute.org
Integrations
The project describes integration with Pyodide and webR, and its documentation says sharing integrates with GitHub Gists.Read 11 Oct 2026 · flatironinstitute.github.io
Analysis
The app includes posterior diagnostics and visualizations, and supports Python or R scripts for further analysis.Read 11 Oct 2026 · joss.theoj.org
Bayesian analysis
YesRead 23 Sep 2026 · stan-playground.flatironinstitute.org
Compilation
A free public server compiles models on demand and provides WebAssembly modules to the browser.Read 11 Oct 2026 · joss.theoj.org
Custom server
Users can run their own compilation server; the setup instructions provide a Docker command and allow configuring a custom host and port.Read 11 Oct 2026 · flatironinstitute.github.io
Data preparation
Model data can be entered as JSON or generated with Python or R scripts.Read 11 Oct 2026 · joss.theoj.org
Editor
The Stan editor provides on-the-fly compiler diagnostics and formatting.Read 11 Oct 2026 · joss.theoj.org
Embedding
Stan Playground can be embedded in another site using an iframe, with a compact layout and a helper script.Read 11 Oct 2026 · joss.theoj.org
Installation
Models and analyses run locally in the browser with no installation required.Read 11 Oct 2026 · joss.theoj.org
Intended audience
The paper describes the tool as an environment for instruction, prototyping, and analysis, including classroom use where students can open pre-populated project links.Read 11 Oct 2026 · joss.theoj.org
Sampling
Users can control sampling parameters and monitor progress in real time.Read 11 Oct 2026 · joss.theoj.org
Scripting support
YesRead 23 Sep 2026 · stan-playground.flatironinstitute.org
Security design
The paper says sampling runs locally in the browser, while the public server only compiles models and does not execute user-controlled code.Read 11 Oct 2026 · joss.theoj.org
Statistical tests
NoRead 23 Sep 2026 · stan-playground.flatironinstitute.org
Storage and export
Projects are saved in browser local storage by default and can be exported as ZIP files or uploaded to a GitHub Gist.Read 11 Oct 2026 · joss.theoj.org

Plans and prices

Stan Playground Free Free public compilation server · models and analyses run locally in the browser Read 11 Oct 2026 · joss.theoj.org

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