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      <img src="../logo.png" class="logo" alt=""><h1>Mirex concentration, weight, capture year, and species of Lake Ontario salmon.</h1>
      <small class="dont-index">Source: <a href="https://github.com/fishR-Core-Team/FSA/blob/HEAD/R/Mirex.R" class="external-link"><code>R/Mirex.R</code></a></small>
      <div class="d-none name"><code>Mirex.Rd</code></div>
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    <div class="ref-description section level2">
    <p>Mirex concentration, weight, capture year, and species of Lake Ontario Coho and Chinook salmon.</p>
    </div>


    <div class="section level2">
    <h2 id="format">Format<a class="anchor" aria-label="anchor" href="#format"></a></h2>
    <p>A data frame with 122 observations on the following 4 variables.</p><dl><dt>year</dt>
<dd><p>a numeric vector of capture years</p></dd>

   <dt>weight</dt>
<dd><p>a numeric vector of salmon weights (kg)</p></dd>

   <dt>mirex</dt>
<dd><p>a numeric vector of mirex concentration in the salmon tissue (mg/kg)</p></dd>

   <dt>species</dt>
<dd><p>a factor with levels <code>chinook</code> and <code>coho</code></p></dd>

 
</dl></div>
    <div class="section level2">
    <h2 id="source">Source<a class="anchor" aria-label="anchor" href="#source"></a></h2>
    <p>From (actual data) Makarewicz, J.C., E.Damaske, T.W. Lewis, and M. Merner. 2003. Trend analysis reveals a recent reduction in mirex concentrations in Coho (<em>Oncorhynchus kisutch</em>) and Chinook (<em>O. tshawytscha</em>) Salmon from Lake Ontario. Environmental Science and Technology, 37:1521-1527. <a href="https://raw.githubusercontent.com/fishR-Core-Team/FSA/master/data-raw/Mirex.csv" class="external-link">CSV file</a></p>
    </div>
    <div class="section level2">
    <h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
    <p>The <code>year</code> variable should be converted to a factor as shown in the example.</p>
    </div>
    <div class="section level2">
    <h2 id="topic-s-">Topic(s)<a class="anchor" aria-label="anchor" href="#topic-s-"></a></h2>
    

<p></p><ul><li><p>Linear models</p></li>
<li><p>Other</p></li>
</ul></div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="va">Mirex</span><span class="op">$</span><span class="va">year</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a></span><span class="op">(</span><span class="va">Mirex</span><span class="op">$</span><span class="va">year</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">lm1</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/stats/lm.html" class="external-link">lm</a></span><span class="op">(</span><span class="va">mirex</span><span class="op">~</span><span class="va">weight</span><span class="op">*</span><span class="va">year</span><span class="op">*</span><span class="va">species</span>,data<span class="op">=</span><span class="va">Mirex</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/stats/anova.html" class="external-link">anova</a></span><span class="op">(</span><span class="va">lm1</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Analysis of Variance Table</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Response: mirex</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>                     Df  Sum Sq  Mean Sq F value    Pr(&gt;F)    </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> weight               1 0.22298 0.222980 60.0785 8.586e-12 ***</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> year                 5 0.50667 0.101333 27.3028 &lt; 2.2e-16 ***</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> species              1 0.00000 0.000001  0.0004 0.9840448    </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> weight:year          5 0.09491 0.018982  5.1143 0.0003287 ***</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> weight:species       1 0.00240 0.002397  0.6457 0.4235926    </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> year:species         5 0.02338 0.004677  1.2601 0.2873654    </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> weight:year:species  5 0.01650 0.003299  0.8890 0.4916170    </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Residuals           98 0.36372 0.003711                      </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> ---</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1</span>
<span class="r-in"><span></span></span>
</code></pre></div>
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