Orthogonal decompositions in growth curve models
Keywords: growth curve model, extended growth curve model, orthogonal decomposition, uniform correlation structure
The article shows advantage of orthogonal decompositions in the standard and extended growth curve models. Using this, distribution of estimators of ρ and σ2 in the standard GCM with uniform correlation structure is derived. Also, equivalence of Hu and von Rosen conditions in the extended GCM under mild conditions is shown.
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