Now showing items 1-7 of 7
The management of antenatal venous thromboembolism in the UK and Ireland : a prospective multicentre observational survey
This prospective observational study reports on 126 women from 25 UK centres with image-proven antenatal venous thromboembolism (VTE), 62% deep vein thrombosis and 38% pulmonary embolism. Thrombophilia screening was of ...
Estimation and Comparison of Endogenous Ordered Category Multilevel Models
(University of Hertfordshire, 2004)
Data often take the form of ordered categories. For instance, in education, test results are often reported as grades. Where a hierarchical structure exists for--the data, multilevel modelling of such ordered categorisations ...
A Comparison of Modelling Strategies for Value-Added Analyses of Educational Data
(University of Hertfordshire, 2000)
Modelling strategies for value-added multilevel models are examined. These types of models typically include an endogenous variable and this causes difficulties for the standard estimation techniques that are commonly used ...