An outlier is an observation that lies an abnormal distance from other values in a random sample from a population. In a sense, this definition leaves it up to the analyst (or a consensus process) to decide what will be considered abnormal. Before abnormal observations can be singled out, it is necessary to characterize normal observations.
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Drug Diversion
Drug diversion is a medical and legal concept involving the illegal movement, adulteration, marketing, or transfer of any legal controlled substance anywhere within the supply chain; from manufacturer to end user.
