searches | R Documentation |
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.
data(searches)
A data frame with 17 observations on the following 4 variables.
person
a factor with the names of the persons
visibility
a factor with visibility classes (vegetation densities)
detected
a numeric vector indicating the number of found items
notdetected
a numeric vector indicating the number of not found items
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.
data(searches)
str(searches)
search.efficiency(searches)
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