Zhang, Daowen; Davidian, Marie - In: Journal of Multivariate Analysis 91 (2004) 1, pp. 90-106
Lin and Zhang (J. Roy. Statist. Soc. Ser. B 61 (1999) 381) proposed the generalized additive mixed model (GAMM) as a framework for analysis of correlated data, where normally distributed random effects are used to account for correlation in the data, and proposed to use double penalized...