# psma documentation `psma` is an open source Python implementation of the probabilistic surface of molecular activity workflow described in the paper [*A visual approach for analysis and inference of molecular activity spaces*](https://link.springer.com/article/10.1186/s13321-019-0386-z). This documentation is organised using the Diataxis framework: - Tutorials teach the workflow step by step. - How-to guides solve concrete user tasks. - Explanations describe the model and design choices. - Reference documents the API, CLI, and file formats. ```{toctree} :maxdepth: 2 :caption: Tutorials tutorials/index ``` ```{toctree} :maxdepth: 2 :caption: How-To Guides how-to/index ``` ```{toctree} :maxdepth: 2 :caption: Explanation explanation/index ``` ```{toctree} :maxdepth: 2 :caption: Reference reference/index ```