© 1969 by Biometrika Trust
Exact first- and second-order moments of estimates of components of covariance
Johns Hopkins University
C.S.I.R.O., Newtown, New South Wales
This paper develops formulae for the first two moments of estimates of covariance for the general multivariate one-way and two-way models. The results are used to obtain the large sample dispersion matrix for estimated coefficients of two types of genetic selection indexes. These dispersion matrices provide the necessary extension of known results in balanced models to the unbalanced case.