data_NorthernPike: Capture-recapture experiment on Northern Pike in Mille Lacs,...
In Petersen: Estimators for Two-Sample Capture-Recapture Studies
data_NorthernPike R Documentation
Capture-recapture experiment on Northern Pike in Mille Lacs, MN, in 2005.
Description
Fish were tagged on the spawning grounds and recovered in the summer gillnet assessment.
Fish were double tagged, and a tag loss analysis
showed that tag loss was negligible. It will be ignored here.
Length was measured a both times and didn't not change
very much between the two sampling occasions. The value
recorded below is the average of the two lengths if both
lengths were present.
Fish that were not sexed or measured for length are ignored and not included
Usage
data(data_NorthernPike)
Format
data_NorthernPike
A data frame with many rows and 4 columns
cap_hist.Capture history (10, 01, or 11). Note that
n_{10}=n_1-m_2; n_{01}=n_2-m_2; and n_{11}=m2
freq.Number of fish with this history. Always 1
Sex.Sex of the fish. M=Male; F=Female
LengthLength of the fish in inches.
Petersen documentation built on April 4, 2025, 3:05 a.m.
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| data_NorthernPike | R Documentation |
Capture-recapture experiment on Northern Pike in Mille Lacs, MN, in 2005.
Description
Fish were tagged on the spawning grounds and recovered in the summer gillnet assessment. Fish were double tagged, and a tag loss analysis showed that tag loss was negligible. It will be ignored here. Length was measured a both times and didn't not change very much between the two sampling occasions. The value recorded below is the average of the two lengths if both lengths were present. Fish that were not sexed or measured for length are ignored and not included
Usage
data(data_NorthernPike)
Format
data_NorthernPike
A data frame with many rows and 4 columns
cap_hist.Capture history (10, 01, or 11). Note that
n_{10}=n_1-m_2;n_{01}=n_2-m_2; andn_{11}=m2freq.Number of fish with this history. Always 1
Sex.Sex of the fish. M=Male; F=Female
LengthLength of the fish in inches.
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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