Learn more about covariance and how financial planners and economists use the concept. Explore an example of covariance in the stock market.

D-optimality is based on the determinant of the information matrix for the design, which is the same as the reciprocal of the determinant of the variance-covariance matrix for the least-squares ...

The mixed model extends the general linear model by allowing a more flexible specification of the covariance matrix of . In other words ... as starting values for the ML and REML procedures. For ...