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      <h1>Retrieve endpoint information from the chyaml field of a chent object</h1>

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    <h2>Usage</h2>
    <pre><div>endpoint(chent, medium&nbsp;=&nbsp;"soil", type&nbsp;=&nbsp;c("degradation", "sorption"), lab_field&nbsp;=&nbsp;c(NA, "laboratory", "field"), redox&nbsp;=&nbsp;c(NA, "aerobic", "anaerobic"), value&nbsp;=&nbsp;c("DT50ref", "Kfoc", "N"), aggregator&nbsp;=&nbsp;geomean, raw&nbsp;=&nbsp;FALSE, signif&nbsp;=&nbsp;3)</div>
<div>soil_DT50(chent, aggregator&nbsp;=&nbsp;geomean, signif&nbsp;=&nbsp;3, lab_field&nbsp;=&nbsp;"laboratory", value&nbsp;=&nbsp;"DT50ref", redox&nbsp;=&nbsp;"aerobic", raw&nbsp;=&nbsp;FALSE)</div>
<div>soil_Kfoc(chent, aggregator&nbsp;=&nbsp;geomean, signif&nbsp;=&nbsp;3, value&nbsp;=&nbsp;"Kfoc", raw&nbsp;=&nbsp;FALSE)</div>
<div>soil_N(chent, aggregator&nbsp;=&nbsp;mean, signif&nbsp;=&nbsp;3, raw&nbsp;=&nbsp;FALSE)</div>
<div>soil_sorption(chent, values&nbsp;=&nbsp;c("Kfoc", "N"), aggregators&nbsp;=&nbsp;c(Kfoc = geomean, Koc&nbsp;=&nbsp;geomean, N&nbsp;=&nbsp;mean), signif&nbsp;=&nbsp;c(Kfoc&nbsp;=&nbsp;3, N&nbsp;=&nbsp;3), raw&nbsp;=&nbsp;FALSE)</div></pre>
    
    <h2>Arguments</h2>
    <dl>
      <dt>chent</dt>
      <dd>The <code><a href='http://www.inside-r.org/packages/cran/chents/docs/chent'>chent</a></code> 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>
    
    <div class="Value">
      <h2>Value</h2>

      <p><dl>
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.
</dl></p>
  
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    <div class="Description">
      <h2>Description</h2>

      <p>R6 class objects of class <code><a href='http://www.inside-r.org/packages/cran/chents/docs/chent'>chent</a></code> represent chemical entities
and can hold a list of information loaded from a chemical yaml file in their
chyaml field. Such information is extracted and optionally aggregated by
this function.</p>
  
    </div>

    <div class="Details">
      <h2>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>
  
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    <!-- <ul>
      <li>endpoint</li><li>soil_DT50</li><li>soil_Kfoc</li><li>soil_N</li><li>soil_sorption</li>
    </ul>
    <ul>
      
    </ul> -->
      
        
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