Centre for Multilevel Modelling
The Centre for Multilevel Modelling (CMM) is a research centre based at the University of Bristol within the Graduate School of Education, the School of Geographical Sciences and the Department of Clinical Veterinary Science and forming part of the The Bristol Institute of Public Affairs (BIPA)
Lemma on-line learning materials
- Workshops
- Our research We develop new statistical methodology, implemented in software to address unsolved issues in quantitative modelling of social processes
- We collaborate with a range of researchers working with multilevel models
MLwiN
enables quantitative social science researchers to
become effective multilevel modelling practitioners
Download MLwiN for free* if you are a UK academic
* please check terms and conditions of free download
Other applications (all free to download)
Realcom-Impute - Realcom macros with a menu interface are now available for handling quite general missing data patterns
MLPowSim - application for performing sample size/power calculations in multilevel models via simulation


Realcom