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<title>Actual and maximum moving window time average concentrations for SFO kinetics — SFO_actual_twa • pfm</title>
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<h1>Actual and maximum moving window time average concentrations for SFO kinetics</h1>
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<p>Actual and maximum moving window time average concentrations for SFO kinetics</p>
<pre class="usage"><span class='fu'>SFO_actual_twa</span>(<span class='kw'>DT50</span> <span class='kw'>=</span> <span class='fl'>1000</span>, <span class='kw'>times</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='fl'>0</span>, <span class='fl'>1</span>, <span class='fl'>2</span>, <span class='fl'>4</span>, <span class='fl'>7</span>, <span class='fl'>14</span>, <span class='fl'>21</span>, <span class='fl'>28</span>, <span class='fl'>42</span>, <span class='fl'>50</span>,
<span class='fl'>100</span>))</pre>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a> Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
<tr>
<th>DT50</th>
<td><p>The half-life.</p></td>
</tr>
<tr>
<th>times</th>
<td><p>The output times, and window sizes for time weighted average concentrations</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
<p>FOCUS (2014) Generic Guidance for Estimating Persistence and Degradation
Kinetics from Environmental Fate Studies on Pesticides in EU Registratin, Version 1.1,
18 December 2014, p. 251</p>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<pre class="examples"><div class='input'><span class='fu'>SFO_actual_twa</span>(<span class='fl'>10</span>)</div><div class='output co'>#> actual twa
#> 0 1.0000000000 NaN
#> 1 0.9330329915 0.9661297
#> 2 0.8705505633 0.9337803
#> 4 0.7578582833 0.8733416
#> 7 0.6155722067 0.7923030
#> 14 0.3789291416 0.6400113
#> 21 0.2332582479 0.5267498
#> 28 0.1435872944 0.4412651
#> 42 0.0544094102 0.3248093
#> 50 0.0312500000 0.2795222
#> 100 0.0009765625 0.1441286</div></pre>
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<h2>Contents</h2>
<ul class="nav nav-pills nav-stacked">
<li><a href="#arguments">Arguments</a></li>
<li><a href="#source">Source</a></li>
<li><a href="#examples">Examples</a></li>
</ul>
<h2>Author</h2>
Johannes Ranke
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