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authorJohannes Ranke <johannes.ranke@jrwb.de>2025-02-14 09:15:20 +0100
committerJohannes Ranke <johannes.ranke@jrwb.de>2025-02-14 09:15:20 +0100
commit91a5834dd701211f929fd25419dc34561ce3b4e7 (patch)
tree860862d680fea23581d08b2948c5ac3e922a8447 /docs/dev/reference/IORE.solution.html
parentb0f08271d1dae8ffaf57f557c27eba1314ece1d5 (diff)
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+
+ <h1>Indeterminate order rate equation kinetics</h1>
+ <small class="dont-index">Source: <a href="https://github.com/jranke/mkin/blob/HEAD/R/parent_solutions.R" class="external-link"><code>R/parent_solutions.R</code></a></small>
+ <div class="d-none name"><code>IORE.solution.Rd</code></div>
+ </div>
+
+ <div class="ref-description section level2">
+ <p>Function describing exponential decline from a defined starting value, with
+a concentration dependent rate constant.</p>
+ </div>
+
+ <div class="section level2">
+ <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
+ <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">IORE.solution</span><span class="op">(</span><span class="va">t</span>, <span class="va">parent_0</span>, <span class="va">k__iore</span>, <span class="va">N</span><span class="op">)</span></span></code></pre></div>
+ </div>
+
+ <div class="section level2">
+ <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>
+
+
+<dl><dt id="arg-t">t<a class="anchor" aria-label="anchor" href="#arg-t"></a></dt>
+<dd><p>Time.</p></dd>
+
+
+<dt id="arg-parent-">parent_0<a class="anchor" aria-label="anchor" href="#arg-parent-"></a></dt>
+<dd><p>Starting value for the response variable at time zero.</p></dd>
+
+
+<dt id="arg-k-iore">k__iore<a class="anchor" aria-label="anchor" href="#arg-k-iore"></a></dt>
+<dd><p>Rate constant. Note that this depends on the concentration
+units used.</p></dd>
+
+
+<dt id="arg-n">N<a class="anchor" aria-label="anchor" href="#arg-n"></a></dt>
+<dd><p>Exponent describing the nonlinearity of the rate equation</p></dd>
+
+</dl></div>
+ <div class="section level2">
+ <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
+ <p>The value of the response variable at time <code>t</code>.</p>
+ </div>
+ <div class="section level2">
+ <h2 id="note">Note<a class="anchor" aria-label="anchor" href="#note"></a></h2>
+ <p>The solution of the IORE kinetic model reduces to the
+<code><a href="SFO.solution.html">SFO.solution</a></code> if N = 1. The parameters of the IORE model can
+be transformed to equivalent parameters of the FOMC mode - see the NAFTA
+guidance for details.</p>
+ </div>
+ <div class="section level2">
+ <h2 id="references">References<a class="anchor" aria-label="anchor" href="#references"></a></h2>
+ <p>NAFTA Technical Working Group on Pesticides (not dated) Guidance
+for Evaluating and Calculating Degradation Kinetics in Environmental Media</p>
+ </div>
+ <div class="section level2">
+ <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
+ <div class="dont-index"><p>Other parent solutions:
+<code><a href="DFOP.solution.html">DFOP.solution</a>()</code>,
+<code><a href="FOMC.solution.html">FOMC.solution</a>()</code>,
+<code><a href="HS.solution.html">HS.solution</a>()</code>,
+<code><a href="SFO.solution.html">SFO.solution</a>()</code>,
+<code><a href="SFORB.solution.html">SFORB.solution</a>()</code>,
+<code><a href="logistic.solution.html">logistic.solution</a>()</code></p></div>
+ </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></span>
+<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="kw">function</span><span class="op">(</span><span class="va">x</span><span class="op">)</span> <span class="fu">IORE.solution</span><span class="op">(</span><span class="va">x</span>, <span class="fl">100</span>, <span class="fl">0.2</span>, <span class="fl">1.3</span><span class="op">)</span>, <span class="fl">0</span>, <span class="fl">2</span>, ylim <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0</span>, <span class="fl">100</span><span class="op">)</span><span class="op">)</span></span></span>
+<span class="r-plt img"><img src="IORE.solution-1.png" alt="" width="700" height="433"></span>
+<span class="r-in"><span> <span class="co"># \dontrun{</span></span></span>
+<span class="r-in"><span> <span class="va">fit.fomc</span> <span class="op">&lt;-</span> <span class="fu"><a href="mkinfit.html">mkinfit</a></span><span class="op">(</span><span class="st">"FOMC"</span>, <span class="va">FOCUS_2006_C</span>, quiet <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></span>
+<span class="r-in"><span> <span class="va">fit.iore</span> <span class="op">&lt;-</span> <span class="fu"><a href="mkinfit.html">mkinfit</a></span><span class="op">(</span><span class="st">"IORE"</span>, <span class="va">FOCUS_2006_C</span>, quiet <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></span>
+<span class="r-in"><span> <span class="va">fit.iore.deS</span> <span class="op">&lt;-</span> <span class="fu"><a href="mkinfit.html">mkinfit</a></span><span class="op">(</span><span class="st">"IORE"</span>, <span class="va">FOCUS_2006_C</span>, solution_type <span class="op">=</span> <span class="st">"deSolve"</span>, quiet <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> Error in is.loaded(initfunc, PACKAGE = dllname, type = "") : </span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> invalid 'PACKAGE' argument</span>
+<span class="r-in"><span></span></span>
+<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/data.frame.html" class="external-link">data.frame</a></span><span class="op">(</span><span class="va">fit.fomc</span><span class="op">$</span><span class="va">par</span>, <span class="va">fit.iore</span><span class="op">$</span><span class="va">par</span>, <span class="va">fit.iore.deS</span><span class="op">$</span><span class="va">par</span>,</span></span>
+<span class="r-in"><span> row.names <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/paste.html" class="external-link">paste</a></span><span class="op">(</span><span class="st">"model par"</span>, <span class="fl">1</span><span class="op">:</span><span class="fl">4</span><span class="op">)</span><span class="op">)</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> fit.fomc.par fit.iore.par fit.iore.deS.par</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> model par 1 85.87489063 85.874890 85.874890</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> model par 2 0.05192238 -4.826631 -4.826631</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> model par 3 0.65096665 1.949403 1.949403</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> model par 4 1.85744396 1.857444 1.857444</span>
+<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/cbind.html" class="external-link">rbind</a></span><span class="op">(</span>fomc <span class="op">=</span> <span class="fu"><a href="endpoints.html">endpoints</a></span><span class="op">(</span><span class="va">fit.fomc</span><span class="op">)</span><span class="op">$</span><span class="va">distimes</span>, iore <span class="op">=</span> <span class="fu"><a href="endpoints.html">endpoints</a></span><span class="op">(</span><span class="va">fit.iore</span><span class="op">)</span><span class="op">$</span><span class="va">distimes</span>,</span></span>
+<span class="r-in"><span> iore.deS <span class="op">=</span> <span class="fu"><a href="endpoints.html">endpoints</a></span><span class="op">(</span><span class="va">fit.iore</span><span class="op">)</span><span class="op">$</span><span class="va">distimes</span><span class="op">)</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> DT50 DT90 DT50back</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> fomc 1.785233 15.1479 4.559973</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> iore 1.785233 15.1479 4.559973</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> iore.deS 1.785233 15.1479 4.559973</span>
+<span class="r-in"><span> <span class="co"># }</span></span></span>
+<span class="r-in"><span></span></span>
+</code></pre></div>
+ </div>
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