General class of covariance structures for two or more repeated factors in longitudinal data analysis

作者: Andrzej T. Galecki

DOI: 10.1080/03610929408831436

关键词:

摘要: The main difficulty in parametric analysis of longitudinal data lies specifying covariance structure. Several structures, which usually reflect one series measurements collected over time, have been presented the literature. However there is a lack literature on structures designed for repeated measures specified by more than factor. In this paper new, general method modelling structure based Kronecker product underlying factor specific profiles presented. has an attractive interpretation terms independent contribution to overall within subject and can be easily adapted standard software.

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