The collection of variance-covariance matrices for any linear model may be represented, without altering relationships among linear unbiased estimators, as a compact convex subset of nonnegative ...

We propose a class of inverse probability of censoring weighted estimators for the parameters of models for the dependence of the mean of a vector of correlated response variables on a vector of ...

A top U.S. National Labor Relations Board official on Friday said proposals in at least three states to regulate private-sector labor relations when the federal board does not have enough members ...