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    <h1>Calculate a time course of relative concentrations based on an mkinmod model</h1>
    
    <div class="hidden name"><code>pfm_degradation.Rd</code></div>
    </div>

    <div class="ref-description">
    <p>Calculate a time course of relative concentrations based on an mkinmod model</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">pfm_degradation</span><span class="op">(</span></span>
<span>  model <span class="op">=</span> <span class="st">"SFO"</span>,</span>
<span>  DT50 <span class="op">=</span> <span class="fl">1000</span>,</span>
<span>  parms <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>k_parent <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/Log.html" class="external-link">log</a></span><span class="op">(</span><span class="fl">2</span><span class="op">)</span><span class="op">/</span><span class="va">DT50</span><span class="op">)</span>,</span>
<span>  years <span class="op">=</span> <span class="fl">1</span>,</span>
<span>  step_days <span class="op">=</span> <span class="fl">1</span>,</span>
<span>  times <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/seq.html" class="external-link">seq</a></span><span class="op">(</span><span class="fl">0</span>, <span class="va">years</span> <span class="op">*</span> <span class="fl">365</span>, by <span class="op">=</span> <span class="va">step_days</span><span class="op">)</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>
    <dl><dt>model</dt>
<dd><p>The degradation model to be used. Either a parent only model like
'SFO' or 'FOMC', or an mkinmod object</p></dd>


<dt>DT50</dt>
<dd><p>The half-life. This is only used when simple exponential decline
is calculated (SFO model).</p></dd>


<dt>parms</dt>
<dd><p>The parameters used for the degradation model</p></dd>


<dt>years</dt>
<dd><p>For how many years should the degradation be predicted?</p></dd>


<dt>step_days</dt>
<dd><p>What step size in days should the output have?</p></dd>


<dt>times</dt>
<dd><p>The output times</p></dd>

</dl></div>
    <div id="author">
    <h2>Author</h2>
    <p>Johannes Ranke</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/utils/head.html" class="external-link">head</a></span><span class="op">(</span><span class="fu">pfm_degradation</span><span class="op">(</span><span class="st">"SFO"</span>, DT50 <span class="op">=</span> <span class="fl">10</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   time    parent</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 0    0 1.0000000</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1    1 0.9330330</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2    2 0.8705506</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3    3 0.8122524</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4    4 0.7578583</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 5    5 0.7071068</span>
</code></pre></div>
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