Qu, A.; Yi, G. Y.; Song, P. X.-K.; Wang, P. - In: Biometrika 98 (2011) 1, pp. 215-224
The inverse probability weighted generalized estimating equations approach (Robins et al. 1994; Robins et al. 1995), effectively removes bias and provides valid statistical inference for regression parameter estimation in marginal models when longitudinal data contain missing values. The validity of...