Welcome to the RooStats Wiki

NEW Opportunity to contribute to RooFit/RooStats development

See the Opportunity listing on the LPCC homepage: http://lpcc.web.cern.ch/LPCC/index.php?page=misc

What is RooStats?

This is a wiki for RooStats development. RooStats is a project to create statistical tools built on top of RooFit and distributed in ROOT. It is a joint project between the LHC experiments and the ROOT team. There is an old users guide here. The latest version of the HistFactory documentation (draft 5, under development) is found here: CERN-OPEN-2012-016 and new C++ and Python bindings described here.

How to get it?

The current recommended version ships with ROOT 5.30. All you need is the latest ROOT release. The code is developing quickly, so you may need to Download and Install the RooStats Branch

Tutorial Screencasts on YouTube

In addition to the user's guide, we will be providing some screen casts. The first getting started screen guide is below. And more can be found at http://www.youtube.com/RooStats. You will want to choose the HD version to see more clearly.


The RooStats project has an oversight committee formed by the heads of the ATLAS and CMS statistics forums. Through several joint ATLAS-CMS statistics meetings we have converged on a structure in which the oversight committee sets goals and priorities for tool development (at a high level), adjudicates any conflicts that might arise, and helps find manpower if needed. The development of RooStats is open in nature, with four core developers:
  • Kyle Cranmer representing ATLAS
  • Gregory Schott representing CMS
  • Lorenzo Moneta representing ROOT
  • Wouter Verkerke representing RooFit (on which RooStats is based)

These core developers have access to ROOT's SVN repository.


Benchmark workspaces and likelihoods

In the ongoing discussion of publishing likelihood functions, we are collecting some benchmark workspaces representing hypothetical measurements, searches, etc. from the LHC.

Talks, meetings, and more information

Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf 090902for_kyle.pdf r2 r1 manage 416.8 K 2009-10-15 - 16:33 KyleCranmer  
PDFpdf 20120209_HistFactoryLikelihood_v4.pdf r1 manage 617.2 K 2012-02-27 - 11:14 MaxArjenBaak Latest HistFactory documentation
PDFpdf AtlasStatF_RooStats_BernsteinCorrection_30-04-09.pdf r1 manage 1933.5 K 2009-05-07 - 04:48 KyleCranmer Bernstein Correction presentation
PDFpdf AtlasStatF_RooStats_FC_NC_MCMC_8-07-09.pdf r1 manage 6753.6 K 2009-07-13 - 19:45 KyleCranmer  
Unknown file formatgz Examples.tar.gz r1 manage 5.9 K 2011-06-16 - 16:50 DaniloPiparo Collection of examples presented during the 2-5-2011 CMS Tutorial
PDFpdf HistFactoryLikelihood.pdf r5 r4 r3 r2 r1 manage 739.2 K 2012-03-11 - 23:28 KyleCranmer Updated HistFactory user guide for 5.32
PDFpdf RooStats_SOS_Autrans_2010.pdf r1 manage 16527.2 K 2010-05-26 - 16:56 KyleCranmer 138 slides of documentation, May 2010
PDFpdf RooStats_UsersGuide.pdf r1 manage 311.7 K 2010-03-25 - 16:16 UnknownUser  
PDFpdf roostats_atlas_020908.pdf r1 manage 453.7 K 2009-09-29 - 22:08 WouterVerkerke Presentation on RooStats status in ATLAS stats forum
PDFpdf roostats_chep2010.pdf r1 manage 5445.0 K 2010-11-24 - 15:02 LorenzoMoneta RooStats presentation CHEP 2010
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Topic revision: r52 - 2020-09-29 - LorenzoMoneta
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