Article
Multilevel Twin Models: Geographical Region as a Third Level Variable.
Behavior genetics - 1 May 2021
Tamimy Z, Kevenaar S T, Hottenga J J, Hunter M D, de Zeeuw E L, Neale M C, van Beijsterveldt C E M, Dolan C V, van Bergen Elsje, Boomsma D I
Abstract excerpt
The classical twin model can be reparametrized as an equivalent multilevel model. The multilevel parameterization has underexplored advantages, such as the possibility to include higher-level clustering variables in which lower levels are nested. When this higher-level clustering is not modeled, its variance is captured by the common environmental variance component. In this paper we illustrate the application of...
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