searches: Data of a searcher efficiency trial
In carcass: Estimation of the Number of Fatalities from Carcass Searches
searches R Documentation
Data of a searcher efficiency trial
Description
Data containing the number of seen and not-seen items of a searcher efficiency trial performed in 3 different vegetation densities (visibilities) and for various persons.
Usage
data(searches)
Format
A data frame with 17 observations on the following 4 variables.
persona factor with the names of the persons
visibilitya factor with visibility classes (vegetation densities)
detecteda numeric vector indicating the number of found items
notdetecteda numeric vector indicating the number of not found items
Source
Niermann I, Brinkmann R, Korner-Nievergelt F, Behr O (2011) Systematische Schlagopfersuche - Methodische Rahmenbedingungen, statistische Analyseverfahren und Ergebnisse. In: Brinkmann R, Niermann I, Behr O, editors. Entwicklung von Methoden zur Untersuchung und Reduktion des Kollisionsrisikos von Fledermaeusen an Onshore-Windenergieanlagen Goettingen: Cuvillier Verlag. pp. 40-115.
Examples
data(searches)
str(searches)
search.efficiency(searches)
carcass documentation built on Aug. 22, 2025, 9:08 a.m.
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Data of a searcher efficiency trial
Description
Data containing the number of seen and not-seen items of a searcher efficiency trial performed in 3 different vegetation densities (visibilities) and for various persons.
Usage
data(searches)Format
A data frame with 17 observations on the following 4 variables.
persona factor with the names of the persons
visibilitya factor with visibility classes (vegetation densities)
detecteda numeric vector indicating the number of found items
notdetecteda numeric vector indicating the number of not found items
Source
Niermann I, Brinkmann R, Korner-Nievergelt F, Behr O (2011) Systematische Schlagopfersuche - Methodische Rahmenbedingungen, statistische Analyseverfahren und Ergebnisse. In: Brinkmann R, Niermann I, Behr O, editors. Entwicklung von Methoden zur Untersuchung und Reduktion des Kollisionsrisikos von Fledermaeusen an Onshore-Windenergieanlagen Goettingen: Cuvillier Verlag. pp. 40-115.
Examples
data(searches)
str(searches)
search.efficiency(searches)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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