comparison

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comparison

the basis of analytical epidemiology, the statistical comparison between groups.

comparison groups
the groups between which a statistical comparison is to be made.
comparison population
the population in which a comparison between groups is to be conducted. All of the groups to be used comprise the population.
References in classic literature ?
How does it compare with Pope's poems in artistry and power?
Compare it with the assassin's signature upon the knife handle.
It is cheerful to meet a shipmate in these out-of-the-way places and compare notes with him.
Even the magnificent outburst at the beginning of this book, in which the unhappy woman compares her heart to a dying moon, is prefaced by vague complaint: