CountRecap: Count Tag Recaptures For Each Release Year.

In jasondubois/sportfish: Methods and Function for CDFW Sportfish Unit Data

Description

Count of tag recaptures for each release year is required to estimate absolute abundance (i.e., the 'R' in MC/R). CountRecap methods provide a convenient way to get such counts along with the cutoff recapture year and count (n) of how many recapture years were included.

Usage

CountRecap(x, ...)

## S3 method for class 'numeric'
CountRecap(x, ..., n, recYears, nRecaps)

## S3 method for class 'xtabs'
CountRecap(x, ..., n)

Arguments

x	Object of either class 'numeric' or class 'xtabs'.
...	Passed to other methods. Currently not used.
n	Integer giving the number in years for how long to count recaptures.
recYears	Numeric vector providing 4-digit recapture years.
nRecaps	Numeric vector providing number of recaptures per recapture year.

Value

Numeric vector with the following items.

NRecYears

count of recapture years inlcuded in summary

CutoffYear

year in which counting recaptures stopped

NRecaps

number of recaptured tags for release year

Methods (by class)

• numeric: for class numeric.

• xtabs: for class xtabs.

Examples

# coming soon.

jasondubois/sportfish documentation built on July 3, 2020, 1:01 p.m.