https://github.com/stan-dev/stanio

Preparing inputs to and reading outputs from Stan
https://github.com/stan-dev/stanio

csv io json python stan

Last synced: 2 months ago
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Preparing inputs to and reading outputs from Stan

• Host: GitHub
• URL: https://github.com/stan-dev/stanio
• Owner: stan-dev
• License: bsd-3-clause
• Created: 2023-08-10T19:18:32.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-07-08T19:35:33.000Z (6 months ago)
• Last Synced: 2024-10-29T14:21:57.679Z (3 months ago)
• Topics: csv, io, json, python, stan
• Language: Python
• Homepage:
• Size: 5.22 MB
• Stars: 1
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# StanIO

[![codecov](https://codecov.io/gh/stan-dev/stanio/graph/badge.svg?token=P93MLO21FK)](https://codecov.io/gh/stan-dev/stanio) [![Tests](https://github.com/stan-dev/stanio/actions/workflows/test.yaml/badge.svg)](https://github.com/stan-dev/stanio/actions/workflows/test.yaml)

A set of Python functions for data-wrangling in the formats used by

the [Stan](https://mc-stan.org) probabalistic programming language.

It is primarily developed for use in [cmdstanpy](https://github.com/stan-dev/cmdstanpy).

## Features

- Writing Python dictionaries to Stan-compatible JSON (with optional support for using `ujson` for faster serialization)

- Basic reading of StanCSV files into numpy arrays

- Parameter extraction from numpy arrays based on StanCSV headers

  - e.g., if you have a `matrix[2,3] x` in a Stan program, extracting `x` will give you a `(num_draws, 2, 3)` numpy array