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 2024.5.9 Index]