[Corpora-List] Corpus size and accuracy of frequency listings

[Michael Oakes]

Dear Mark,

I think the answer may come from Forensic Statistics. The problem is 
analogous to that of how many units we should sample from a seized 
consignment, to estimate the proportion of units in the whole 
consignment which are contaminated with an illegal subsance.

Section 16.3 of David Lucy's book "Forensic Statistics", entitled "How 
many drugs to sample", refers to the 2003 ENFSI (European Network of 
Forensic Institutes) report, which is available on the web, which 
details afour different methods. In addition, Lucy cites Izenman(2001) 
who provides two "rough and ready" methods.

ENFSI (2003). Guidelines on Representative Drug Sampling Institution: 
European Network of Forensic Sciences Institutes Drugs Working Group.

Izenman, A. J. (2001). Statistical and Legal aspects of the forensic 
study of illicit drugs. Statistical Science 16(1):35-37.

Regards, Michael.

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