ALICE O2 Analysis Framework Documentation
Welcome to the documentation page of the O2 analysis framework! Please use the links below to navigate quickly to the content you're looking for.
Getting started
| Support | Getting a GRID certificate | Installing O2 and O2Physics | The O2Physics repository structure | Git basics | Contributing to the repository | Editing this documentation |
Writing an analysis task
| Introduction to the framework | The data format: interconnected tables | The basic structure of an analysis task | Subscribing to data | Filtering and partitioning data | Creating new tables | Combining data: pairs, triplets and beyond | The CCDB: calibration data |
Running an analysis
| Downloading AO2D samples | Setting up an execution | Using json configuration files | Saving tables to a file | Reading tables from files | Options for running analyses |
Analysis tools
| Event Selection | Multiplicity and centrality selection | Particle identification (PID) | Track selection and propagation |
Using Hyperloop for analysis
| User Documentation | Notifications | Fair usage policy | Operator Documentation | For the Run 2 LEGO train expert. What has changed? | CO2 equivalent estimates |
Advanced features and PWG specifics
| Track to collision association | Event Mixing | Machine Learning | PWG-CF | PWG-DQ | PWG-EM | PWG-HF | PWG-JE | PWGLF | PWG-MM | PWG-UD |
Examples and tutorials
| Analysis Task | Track Iteration | Table Combinations | Histograms | Histogram Registry | Creating Tables | Extending Tables | Data Selection | Index Tables | Event Mixing | Table IO | CCDB | MC Data | Multi Process | More tutorials |
Frequently asked questions (FAQ)
Tools
| Dependency finder | O2 linter |
Troubleshooting
Appendix: data model reference
| AO2D tables | Helper task tables | PWG tables | Joins and iterators |