A distribution-free approach in statistical modelling with repeated measurements and missing values

Wang, Nan and Liu, Wei (2014) A distribution-free approach in statistical modelling with repeated measurements and missing values. Communications in Statistics: Theory and Methods, 43 (8), 1686-1697. (doi:10.1080/03610926.2012.673678).

Record type: Article

Abstract

Mixed effect models, which contain both fixed effects and random effects, are frequently used in dealing with correlated data arising from repeated measurements (made on the same statistical units). In mixed effect models, the distributions of the random effects need to be specified and they are often assumed to be normal. The analysis of correlated data from repeated measurements can also be done with GEE by assuming any type of correlation as initial input. Both mixed effect models and GEE are approaches requiring distribution specifications (likelihood, score function). In this article, we consider a distribution-free least square approach under a general setting with missing value allowed. This approach does not require the specifications of the distributions and initial correlation input. Consistency and asymptotic normality of the estimation are discussed.

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