Title of Workshop: Multilevel modelling for longitudinal categorical outcomes.
Date:: 10th November, 2010
Location: Postgraduate Statistics Centre, Lancaster University.
Presenter: Professor Don Hedeker, Professor of Biostatistics at the University of Illinois
Sponsor: ESRC National Centre for Research Methods Lancaster-Warwick-Stirling node.
In this 1-day workshop, attendees will learn about the use of multilevel or mixed models for analysis of longitudinal categorical data. The focus will be on data analysis, with direct application illustrated using standard statistical software (i.e., SAS). Some of the topics to be covered include:
(1) multilevel models for dichotomous outcomes, and (
(2) multilevel models for ordinal and nominal outcomes.
1) As dichotomous outcomes are common in many research areas, multilevel models for dichotomous data are extremely important. In particular, multilevel logistic regression models will be presented and described. Attention will be paid to the "subject-specific" interpretation of the parameters in these models, as well as techniques for deriving "population averaged" estimates.
2) Extensions of the multilevel logistic model for ordinal and nominal outcomes will be presented. In particular, both proportional odds and non-proportional odds models will be discussed and compared. The latter models are useful because the proportional odds assumption of equal covariate effects across the cumulative logits of the model is often unreasonable. Instead, allowing the covariates to have varying influences across the cumulative logits of the ordinal responses provides a very flexible approach to the modelling of ordinal outcomes.
Cost: £30 postgraduate students
£60 staff/researchers in academic institutions
£220 other individuals.
The cost includes notes, lunches, tea and coffee breaks but not accommodation. Attendees needing overnight accommodation can see a range of accommodation choices at:
09.30 - 10.00 Registration
10.00 - 11.15 Lecture 1
11.15 - 11.45 Break
11.45 - 13.00 Lecture 2
13.00 - 14.00 Lunch
14.00 - 15.15 Lecture 3/Practical
15.15 - 15.45 Break
15.45 - 17.00 Lecture 4/Practical
17.00 - 17.30 Discussion & concluding remarks
For further information and registration please see : http://socialstatistics.org/workshops/mixedmodels2010 <http://socialstatistics.org/workshops/mixedmodels2010>
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