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 Use in Publications Contributing to Spey Pull request procedure Known Issues Outreach Talks Release Notes Release notes v0.1 Bibliography Index The Spey logo is generated by DALL-E 3.