A model for binary panel data is introduced which allows for state dependence and unobserved heterogeneity beyond the effect of available covariates. The model is of quadratic exponential type and its ...

This is a preview. Log in through your library . Abstract Longitudinal studies of a binary outcome are common in the health, social, and behavioral sciences. In general, a feature of random effects ...

Patients in each of two centers are randomly assigned to groups receiving the active treatment or a placebo. During treatment, respiratory status (coded here as 0=poor, 1=good) is determined for each ...