SimplePetersen {BTSPAS}R Documentation

Simple Petersen Estimator and test if pooling can be done

Description

Computes the Petersen estimator (Chapman correction applied) for the number of UNMARKED animals (U) and total population (N) given n1, m2, and u2.

Usage

SimplePetersen(n1, m2, u2)

Arguments

n1

Number of animals tagged and released. Can be a vector in which the estimate is formed for each element of the vector

m2

Number of animals from n1 that are recaptured.

u2

Number of unmarked animals in the second sample.

Value

Data frame with variables U.est, U.se, N.est, and N.se. .

Author(s)

Bonner, S.J. sbonner6@uwo.ca and Schwarz, C. J. cschwarz.stat.sfu.ca@gmail.com.

Examples

 
SimplePetersen( 200, 10, 300) 
SimplePetersen(c(200,400), c(10,20), c(300,600))


[Package BTSPAS version 2021.11.2 Index]