Ferreira, Sandra S.Ferreira, DárioNunes, Célia2020-02-062020-02-062012http://hdl.handle.net/10400.6/9085Given a mixed model let T be the orthogonal projection matrix on the range space spanned by the mean vector. [...]engLinear sufficiencyQuadratic sufficiencyOrthogonal projectionLinear completenessLinear and quadratic sufficiency and commutativityjournal article10.1063/1.4756496