Estimating Omissions From Searches

The mark-recapture method was devised by Petersen in 1896 to estimate the number of fish migrating into the Limfjord, and independently by Lincoln in 1930 to estimate waterfowl abundance. The technique can be applied to any search for a finite number of items by two or more people or agents, allowin...

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Bibliographic Details
Published in:The American statistician 2013-05, Vol.67 (2), p.82-89
Main Authors: Webster, Anthony J., Kemp, Richard
Format: Article
Language:English
Subjects:
Bayesian analysis
Capture-recapture
Ecology
Epidemiology
Estimates
Estimating techniques
Fish migration
Hypergeometric distribution
Lincoln-Petersen
Mark-recapture
PRISMA
Statistics
Systematic reviews
Wildfowl
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Summary:The mark-recapture method was devised by Petersen in 1896 to estimate the number of fish migrating into the Limfjord, and independently by Lincoln in 1930 to estimate waterfowl abundance. The technique can be applied to any search for a finite number of items by two or more people or agents, allowing the number of searched-for items to be estimated. This ubiquitous problem appears in fields from ecology and epidemiology, through to mathematics, social sciences, and computing. Here, we exactly calculate the moments of the hypergeometric distribution associated with this longstanding problem, confirming that widely used estimates conjectured in 1951 are often too small. Our Bayesian approach highlights how different search strategies will modify the estimates. The estimates are applied to several examples. For some published applications, substantial errors are found to result from using the Chapman or Lincoln-Petersen estimates. Supplementary materials for this article are available online.
ISSN:0003-1305
1537-2731
DOI:10.1080/00031305.2013.783881