We model a covariance matrix in terms of its corresponding standard deviations and correlation matrix. We discuss two general modeling situations where this approach is useful: shrinkage estimation of ...

PresenterMichael HunterFirst presented atJune 2021 virtual WorkshopContentThis video takes us from the univariate ACE model to a multivariate ACE model: from ACE to MACE. We begin with a review of the ...

Presenter. Baptiste Couvy-Duchesne. Date first presented. June 2022 Virtual Workshop. Content. Models to estimate heritability (twin or SNP h2) are typically linear models that can be seen as ...