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<h1> Indeterminate order rate equation kinetics </h1>
<div class="row">
<div class="span8">
<h2>Usage</h2>
<pre><span class="functioncall"><a href='IORE.solution.html'>IORE.solution</a></span><span class="keyword">(</span><span class="symbol">t</span><span class="keyword">,</span> <span class="symbol">parent.0</span><span class="keyword">,</span> <span class="symbol">k__iore</span><span class="keyword">,</span> <span class="symbol">N</span><span class="keyword">)</span></pre>
<h2>Arguments</h2>
<dl>
<dt>t</dt>
<dd> Time. </dd>
<dt>parent.0</dt>
<dd> Starting value for the response variable at time zero. </dd>
<dt>k__iore</dt>
<dd> Rate constant. Note that this depends on the concentration units used. </dd>
<dt>N</dt>
<dd> Exponent describing the nonlinearity of the rate equation </dd>
</dl>
<div class="Description">
<h2>Description</h2>
<p>Function describing exponential decline from a defined starting value, with
a concentration dependent rate constant.</p>
</div>
<div class="Note">
<h2>Note</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="Value">
<h2>Value</h2>
<p><dl>
The value of the response variable at time <code>t</code>.
</dl></p>
</div>
<div class="References">
<h2>References</h2>
<p>NAFTA Technical Working Group on Pesticides (not dated) Guidance for
Evaluating and Calculating Degradation Kinetics in Environmental
Media</p>
</div>
<h2 id="examples">Examples</h2>
<pre class="examples"><div class='input'> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/graphics/topics/plot'>plot</a></span><span class="keyword">(</span><span class="keyword">function</span><span class="keyword">(</span><span class="formalargs">x</span><span class="keyword">)</span> <span class="functioncall"><a href='IORE.solution.html'>IORE.solution</a></span><span class="keyword">(</span><span class="symbol">x</span><span class="keyword">,</span> <span class="number">100</span><span class="keyword">,</span> <span class="number">0.2</span><span class="keyword">,</span> <span class="number">1.3</span><span class="keyword">)</span><span class="keyword">,</span> <span class="number">0</span><span class="keyword">,</span> <span class="number">2</span><span class="keyword">,</span>
<span class="argument">ylim</span> <span class="argument">=</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/c'>c</a></span><span class="keyword">(</span><span class="number">0</span><span class="keyword">,</span> <span class="number">100</span><span class="keyword">)</span><span class="keyword">)</span></div>
<p><img src='IORE.solution-2.png' alt='' width='540' height='400' /></p>
<div class='input'> <span class="symbol">fit.fomc</span> <span class="assignement"><-</span> <span class="functioncall"><a href='mkinfit.html'>mkinfit</a></span><span class="keyword">(</span><span class="string">"FOMC"</span><span class="keyword">,</span> <span class="symbol">FOCUS_2006_C</span><span class="keyword">,</span> <span class="argument">quiet</span> <span class="argument">=</span> <span class="number">TRUE</span><span class="keyword">)</span>
<span class="symbol">fit.iore</span> <span class="assignement"><-</span> <span class="functioncall"><a href='mkinfit.html'>mkinfit</a></span><span class="keyword">(</span><span class="string">"IORE"</span><span class="keyword">,</span> <span class="symbol">FOCUS_2006_C</span><span class="keyword">,</span> <span class="argument">quiet</span> <span class="argument">=</span> <span class="number">TRUE</span><span class="keyword">)</span>
<span class="symbol">fit.iore.deS</span> <span class="assignement"><-</span> <span class="functioncall"><a href='mkinfit.html'>mkinfit</a></span><span class="keyword">(</span><span class="string">"IORE"</span><span class="keyword">,</span> <span class="symbol">FOCUS_2006_C</span><span class="keyword">,</span> <span class="argument">solution_type</span> <span class="argument">=</span> <span class="string">"deSolve"</span><span class="keyword">,</span> <span class="argument">quiet</span> <span class="argument">=</span> <span class="number">TRUE</span><span class="keyword">)</span>
<span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/print'>print</a></span><span class="keyword">(</span><span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/data.frame'>data.frame</a></span><span class="keyword">(</span><span class="functioncall"><a href='http://www.rdocumentation.org/packages/stats/topics/coef'>coef</a></span><span class="keyword">(</span><span class="symbol">fit.fomc</span><span class="keyword">)</span><span class="keyword">,</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/stats/topics/coef'>coef</a></span><span class="keyword">(</span><span class="symbol">fit.iore</span><span class="keyword">)</span><span class="keyword">,</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/stats/topics/coef'>coef</a></span><span class="keyword">(</span><span class="symbol">fit.iore.deS</span><span class="keyword">)</span><span class="keyword">,</span>
<span class="argument">row.names</span> <span class="argument">=</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/paste'>paste</a></span><span class="keyword">(</span><span class="string">"model par"</span><span class="keyword">,</span> <span class="number">1</span><span class="keyword">:</span><span class="number">3</span><span class="keyword">)</span><span class="keyword">)</span><span class="keyword">)</span></div>
<div class='output'> coef.fit.fomc. coef.fit.iore. coef.fit.iore.deS.
model par 1 85.87489063 85.874891 85.874890
model par 2 0.05192238 -4.826631 -4.826631
model par 3 0.65096665 1.949403 1.949403
</div>
<div class='input'> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/print'>print</a></span><span class="keyword">(</span><span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/cbind'>rbind</a></span><span class="keyword">(</span><span class="argument">fomc</span> <span class="argument">=</span> <span class="functioncall"><a href='endpoints.html'>endpoints</a></span><span class="keyword">(</span><span class="symbol">fit.fomc</span><span class="keyword">)</span><span class="keyword">$</span><span class="symbol">distimes</span><span class="keyword">,</span> <span class="argument">iore</span> <span class="argument">=</span> <span class="functioncall"><a href='endpoints.html'>endpoints</a></span><span class="keyword">(</span><span class="symbol">fit.iore</span><span class="keyword">)</span><span class="keyword">$</span><span class="symbol">distimes</span><span class="keyword">,</span>
<span class="argument">iore.deS</span> <span class="argument">=</span> <span class="functioncall"><a href='endpoints.html'>endpoints</a></span><span class="keyword">(</span><span class="symbol">fit.iore</span><span class="keyword">)</span><span class="keyword">$</span><span class="symbol">distimes</span><span class="keyword">)</span><span class="keyword">)</span></div>
<div class='output'> DT50 DT90 DT50back
fomc 1.785233 15.1479 4.559973
iore 1.785233 15.1479 4.559973
iore.deS 1.785233 15.1479 4.559973
</div></pre>
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