SEMINAR TODAY 5pm Euston Centre Euston Centre, Room 5.06
Thierry C.
> > Joint Health and Social Care Modelling Group
> > - OR Society Health and Social Services study group Seminars 2003
> >
> > All seminars are in Room 5.06 at the University of Westminster, 9-18
> > Euston Centre, London (off Drummond Street, nearest tube: Warren
Street).
> Tea,
> > coffee, and biscuits will be served.
> >
>
____________________________________________________________________________
> ____
> > Date: MONDAY 7 April 2003, 17:00-18:00
> > Speaker: Dr Adele Marshall, Queen's University Belfast, UK
> > Title: Using Bayesian Belief Networks to model patient outcomes and
length
> > of stay in hospital
> > Abstract:
> > Bayesian belief networks (BBNs) are graphical models which represent
> > potential causal relationships between variables and attach
probabilities
> > based on Bayes' Theorem to assess the likelihood of certain events
> > occurring. The extension of Bayesian belief networks to include
continuous
> > variables has been considered by Lauritzen et al. (1989) who introduced
> > Conditional Gaussian (CG) distributions. However the CG distributions
are
> > not appropriate for modelling data that is skewed in nature. This has
> > inspired the development of the conditional phase-type distribution
(C-Ph)
> > which uses Bayesian belief networks to represent the interrelationships
> > between discrete variables in the model and a Coxian phase-type
> > distribution to represent skewed survival distributions. The application
> > considered is the modelling of patient outcomes and duration of stay in
> > hospital using BBNs to represent the causal relationships between
patient
> > variables and Coxian phase-type distributions to model the continuous
> > distribution of patient survival in hospital.
> >
> __Next
Talk__________________________________________________________________
> ____
> > Date: Tuesday 13 May 2003, 17:00-18:00
> > Speaker: Dr Ruth Davies, University of Southampton, UK
> > Title: Using simulation for evaluating resource requirements and
> > cost-utilities of treatments for end-stage renal failure
> > Abstract: tba
> >
>
____________________________________________________________________________
> > -----------
> > Dr. T.J. Chaussalet
> > University of Westminster
> > CSCS, Dept of Mathematics
> > 9-18 Euston Centre
> > London NW1 3ET, UK
> > Tel: +44(0)207 911 5000 ext 4310
> > Fax: +44(0)207 915 5438
> > Email: [log in to unmask]
> > -----------
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