In statistics, overdispersion is the presence of greater variability (statistical dispersion) in a data set than would be expected based on a given simple statistical model. A common task in applied statistics is choosing a parametric model to fit a given set of empirical observations. This necessitates an assessment of the fit of the chosen model...
Found on
http://en.wikipedia.org/wiki/Overdispersion
<epidemiology> See aggregation ... (05 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.
