School of Mathematics, University of Birmingham
Departmental Seminar
*Quasi-variances*
Prof. David Firth, /Department of Statistics, University of Warwick/
Friday 28th January 2011, 2:30-3:30pm
Room no. 222 (MAGIC Room)
Watson Building
School of Mathematics
Edgbaston Campus
University of Birmingham
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Abstract
The notion of quasi-variances, as a device for both simplifying and enhancing the presentation of additive categorical-predictor effects in statistical models, was developed in Firth and de Menezes
(Biometrika, 2004, 65-80). The approach generalizes the earlier idea of "floating absolute risk" (Easton et al., Statistics in Medicine, 1991), which has become rather controversial in epidemiology.
In this talk I will outline and exemplify the method, and discuss its extension to some other contexts such as parameters that may be arbitrarily scaled and/or rotated.
--
Apratim Guha
Lecturer
School of Mathematics
University of Birmingham
Birmingham, U.K.
Phone: 44 121 4146196
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