A MEASURE of the extent to which an individual differs from the norm of a population, taking many attributes into account, would often be useful in numerical taxonomy. With metrical attributes, the ...

The use of numerical and statistical methods to classify and discriminate between species and other groups of animals, plants and microorganisms is largely a development of the last 20 or so years. Of ...

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Annual Reviews was founded in 1932 as a nonprofit scientific publisher to help scientists cope with the ever-increasing volume of scientific research. Comprehensive, authoritative, and critical ...