Unobserved Variables

David Bartholomew is Professor Emeritus of Statistics at the London School of Economics. He graduated from University College London and worked as a lecturer and then senior lecturer in statistics at the University College of Wales, followed by appointment to a chair in statistics at the University of Kent. He was then Professor of Statistics at the London School of Economics until his retirement in 1996. He is a Fellow of the British Academy, a Member of the International Statistical Institute, a Fellow of the Institute of Mathematical Statistics and has served as Honorary Secretary, Treasurer and President of the Royal Statistical Society. The focus of his recent research has been latent variable models and factor analysis

1.Unobserved Variables.- 2.Measurement, Estimation and Prediction.- 3.Simple Mixtures.- 4.Models for Ability.- 5.A General Latent Variable Model .- 6.Prediction of Latent Variables.- 7.Identifiability.- 8.Categorical Variables.- 9.Models for Time Series.- 10.Missing Data.- 11.Social Measurement.- 12.Bayesian and Computational Methods.- 13.Unity and Diversity.