This is a preview. Log in through your library . Abstract An efficient estimator for regressions in which the parameter vector can take any of several values is devised. It is shown that although the ...

Biological variation represents the natural fluctuations in laboratory test results that occur both within an individual over time and among different individuals. In the context of coagulation ...

Demographic parameters and population growth rates vary among populations of the same species. Such variation can be extensive, as shown by a comparison of nine published studies of black-legged ...