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Such information is extracted and optionally aggregated by +this function.</p> + + + <pre><span class='fu'>endpoint</span>(<span class='no'>chent</span>, <span class='kw'>medium</span> <span class='kw'>=</span> <span class='st'>"soil"</span>, <span class='kw'>type</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='st'>"degradation"</span>, <span class='st'>"sorption"</span>), + <span class='kw'>lab_field</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='fl'>NA</span>, <span class='st'>"laboratory"</span>, <span class='st'>"field"</span>), <span class='kw'>redox</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='fl'>NA</span>, <span class='st'>"aerobic"</span>, + <span class='st'>"anaerobic"</span>), <span class='kw'>value</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='st'>"DT50ref"</span>, <span class='st'>"Kfoc"</span>, <span class='st'>"N"</span>), <span class='kw'>aggregator</span> <span class='kw'>=</span> <span class='no'>geomean</span>, + <span class='kw'>raw</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>, <span class='kw'>signif</span> <span class='kw'>=</span> <span class='fl'>3</span>) + +<span class='fu'>soil_DT50</span>(<span class='no'>chent</span>, <span class='kw'>aggregator</span> <span class='kw'>=</span> <span class='no'>geomean</span>, <span class='kw'>signif</span> <span class='kw'>=</span> <span class='fl'>3</span>, + <span class='kw'>lab_field</span> <span class='kw'>=</span> <span class='st'>"laboratory"</span>, <span class='kw'>value</span> <span class='kw'>=</span> <span class='st'>"DT50ref"</span>, <span class='kw'>redox</span> <span class='kw'>=</span> <span class='st'>"aerobic"</span>, + <span class='kw'>raw</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>) + +<span class='fu'>soil_Kfoc</span>(<span class='no'>chent</span>, <span class='kw'>aggregator</span> <span class='kw'>=</span> <span class='no'>geomean</span>, <span class='kw'>signif</span> <span class='kw'>=</span> <span class='fl'>3</span>, <span class='kw'>value</span> <span class='kw'>=</span> <span class='st'>"Kfoc"</span>, + <span class='kw'>raw</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>) + +<span class='fu'>soil_N</span>(<span class='no'>chent</span>, <span class='kw'>aggregator</span> <span class='kw'>=</span> <span class='no'>mean</span>, <span class='kw'>signif</span> <span class='kw'>=</span> <span class='fl'>3</span>, <span class='kw'>raw</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>) + +<span class='fu'>soil_sorption</span>(<span class='no'>chent</span>, <span class='kw'>values</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='st'>"Kfoc"</span>, <span class='st'>"N"</span>), <span class='kw'>aggregators</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='kw'>Kfoc</span> <span class='kw'>=</span> + <span class='no'>geomean</span>, <span class='kw'>Koc</span> <span class='kw'>=</span> <span class='no'>geomean</span>, <span class='kw'>N</span> <span class='kw'>=</span> <span class='no'>mean</span>), <span class='kw'>signif</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='kw'>Kfoc</span> <span class='kw'>=</span> <span class='fl'>3</span>, <span class='kw'>N</span> <span class='kw'>=</span> <span class='fl'>3</span>), + <span class='kw'>raw</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>)</pre> + + <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a> Arguments</h2> + <dl class="dl-horizontal"> + <dt>chent</dt> + <dd>The chent object to get the information from</dd> + <dt>medium</dt> + <dd>The medium for which information is sought</dd> + <dt>type</dt> + <dd>The information type</dd> + <dt>lab_field</dt> + <dd>If not NA, do we want laboratory or field endpoints</dd> + <dt>redox</dt> + <dd>If not NA, are we looking for aerobic or anaerobic data</dd> + <dt>value</dt> + <dd>The name of the value we want. The list given in the +usage section is not exclusive</dd> + <dt>aggregator</dt> + <dd>The aggregator function. Can be mean, +<code><a href='geomean.html'>geomean</a></code>, or identity, for example.</dd> + <dt>raw</dt> + <dd>Should the number(s) be returned as stored in the chent +object (could be a character value) to retain original information +about precision?</dd> + <dt>signif</dt> + <dd>How many significant digits do we want</dd> + <dt>values</dt> + <dd>The values to be returned</dd> + <dt>aggregators</dt> + <dd>A named vector of aggregator functions to be used</dd> + </dl> + + <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2> + + <p>The result from applying the aggregator function to + the values converted to a numeric vector, rounded to the + given number of significant digits, or, if raw = TRUE, + the values as a character value, retaining any implicit + information on precision that may be present.</p> + + <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2> + + <p>The functions <code>soil_*</code> are functions to extract soil specific endpoints. +For the Freundlich exponent, the capital letter <code>N</code> is used in order to +facilitate dealing with such data in R. In pesticide fate modelling, this +exponent is often called 1/n.</p> + + + </div> + <div class="col-md-3 hidden-xs hidden-sm" id="sidebar"> + <h2>Contents</h2> + <ul class="nav nav-pills nav-stacked"> + <li><a href="#arguments">Arguments</a></li> + + <li><a href="#value">Value</a></li> + + <li><a href="#details">Details</a></li> + </ul> + + </div> +</div> + + <footer> + <div class="copyright"> + <p>Developed by Johannes Ranke.</p> +</div> + +<div class="pkgdown"> + <p>Site built with <a href="http://hadley.github.io/pkgdown/">pkgdown</a>.</p> +</div> + + </footer> + </div> + + </body> +</html> |