WhitefishLC

Assigned ages from two readers on three structures for Lake Whitefish (Coregonus clupeaformis) from Lake Champlain in 2009.

datasets

A variety of simple fish stock assessment methods.

Derek Ogle

Simple Fisheries Stock Assessment Methods

Alexis Dinno

WhitefishLC function

A data frame with 151 observations on the following 11 variables:<dl>
 <dt>fishID</dt>
<dd>A unique fish identification number</dd> <dt>tl</dt>
<dd>Total length (in mm)</dd> <dt>scale1</dt>
<dd>Assessed age from scales by first reader</dd> <dt>scale2</dt>
<dd>Assessed age from scales by second reader</dd> <dt>scaleC</dt>
<dd>Consensus age from scales by both reader</dd> <dt>finray1</dt>
<dd>Assessed age from fin rays by first reader</dd> <dt>finray2</dt>
<dd>Assessed age from fin rays by second reader</dd> <dt>finrayC</dt>
<dd>Consensus age from fin rays by both reader</dd> <dt>otolith1</dt>
<dd>Assessed age from otoliths by first reader</dd> <dt>otolith2</dt>
<dd>Assessed age from otoliths by second reader</dd> <dt>otolithC</dt>
<dd>Consensus age from otoliths by both reader</dd> 
</dl>

Format

<ul>
<li>Age</li>
<li>Ageing Error</li>
<li>Precision</li>
<li>Bias</li>
<li>Age Comparisons</li>
</ul>

Topic(s)

Assigned ages from two readers on three structures for Lake Whitefish from Lake Champlain. — WhitefishLC

A data frame with 151 observations on the following 11 variables:<dl>
 <dt>fishID</dt>
<dd>A unique fish identification number</dd>

 <dt>tl</dt>
<dd>Total length (in mm)</dd>

 <dt>scale1</dt>
<dd>Assessed age from scales by first reader</dd>

 <dt>scale2</dt>
<dd>Assessed age from scales by second reader</dd>

 <dt>scaleC</dt>
<dd>Consensus age from scales by both reader</dd>

 <dt>finray1</dt>
<dd>Assessed age from fin rays by first reader</dd>

 <dt>finray2</dt>
<dd>Assessed age from fin rays by second reader</dd>

 <dt>finrayC</dt>
<dd>Consensus age from fin rays by both reader</dd>

 <dt>otolith1</dt>
<dd>Assessed age from otoliths by first reader</dd>

 <dt>otolith2</dt>
<dd>Assessed age from otoliths by second reader</dd>

 <dt>otolithC</dt>
<dd>Consensus age from otoliths by both reader</dd>

 
</dl>

<ul>
<li>Age</li>
<li>Ageing Error</li>
<li>Precision</li>
<li>Bias</li>
<li>Age Comparisons</li>
</ul>

WhitefishLC: Assigned ages from two readers on three structures for Lake Whitefish from Lake Champlain.

Description

Arguments

Format

Topic(s)

See Also

Examples