26.2. Fitting examples#

Fits used in Belle II analyses can be simple or challenging. The examples listed below cover different levels of complexity and represent a good starting point for anybody interested to learn the basics of fitting:

For each example, fitting code has been developed within at least one of the following frameworks:

  • RooFit - the recommended framework included in ROOT

  • zfit - a python-based fitter

  • MINUIT - the basic tool upon which RooFit and zfit rely, can be useful if you want to have better control over the details of the fit

  • bat - the Bayesian Analysis Toolkit

  • Hydra - a framework for multithreaded data analysis