Lin, Haiqun; Scharfstein, Daniel O.; Rosenheck, Robert A. - In: Journal of the Royal Statistical Society Series B 66 (2004) 3, pp. 791-813
A frequent problem in longitudinal studies is that subjects may miss scheduled visits or be assessed at self-selected points in time. As a result, observed outcome data may be highly unbalanced and the availability of the data may be directly related to the outcome measure and/or some auxiliary...