The basic assumption is that the data are linearly related to unobserved multivariate normal random variables ... many times the distributional assumption about is too restrictive. The mixed model ...

This video takes us from the univariate ACE model to a multivariate ACE model: from ACE to MACE. We begin with a review of the univariate ACE model, and then extend this to two phenotypes as a ...

This video introduces a theory-driven multivariate behavior genetics model: the independent pathway model. The independent pathway model, also called the biometric factor model, first creates ...