Welcome to the documentation of Spey# Contents: Quick Start Installation What is Spey? First Steps Exclusion limits Plug-ins Default Plug-ins External Plug-ins Combining Statistical Models Building a plugin What a plugin provides Creating your Statistical Model Prescription Identifying and installing your statistical model Citing Plug-ins Kitchen Sink Using Spey with experimental data Inference with parameter dependent signal yields Statistical inference on Histogram Gradient of a Statistical Model Signal Uncertainties Building a Plug-in Introduction to Spey (PyHEP 2023) Description of all functions and classes Top-Level Main Classes Base Classes Statistical Model Combiner Hypothesis testing Gradient Tools Default Backends Exceptions Use & Citations Citation Reinterpretation packages that are using spey Use in Publications Contributing to Spey Pull request procedure Known Issues Outreach Talks Release Notes Release notes v0.1 Release notes v0.2 Bibliography Index The Spey logo is generated by DALL-E 3.