\input zb-basic \input zb-ioport \iteman{io-port 05635141} \itemau{Wu, Lang; Liu, Wei; Liu, Juxin} \itemti{A longitudinal study of children's aggressive behaviours based on multivariate mixed models with incomplete data.} \itemso{Can. J. Stat. 37, No. 3, 435-452 (2009).} \itemab Summary: The authors consider children's behavioural and emotional problems and their relationships with possible predictors. They propose a multivariate transitional mixed-effects model for a longitudinal study and simultaneously address non-ignorable missing data in responses and covariates, measurement errors in covariates, and multivariate modelling of the responses and covariate processes. A real dataset is analysed in detail using the proposed method with some interesting results. \itemrv{~} \itemcc{} \itemut{measurement errors; missing data; mixed-effects model; multivariate model; transitional model} \itemli{doi:10.1002/cjs.10024} \end