Logo ROOT  
Reference Guide
RooFit package

RooFit is a package for building likelihood models and fitting these to data. For an introduction check the tutorials RooFit Tutorials, user's guides, courses or the RooFit chapter of the Manual.


 RooFit main classes for building likelihood models, mainly PDFs.
 RooFit core classes. These provide the infrastructure for building likelihood models.
 Old RooFit classes.
 RooFit command arguments
 These arguments can be passed to functions of RooFit objects.
 RooStats is a toolkit for statistical tests built on top of RooFit.