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    <h1>Summary method for class "mkinfit"</h1>
    </div>

    
    <p>Lists model equations, the summary as returned by <code>summary.modFit</code>,
  the chi2 error levels calculated according to FOCUS guidance (2006) as far
  as defined therein, and optionally the data, consisting of observed, predicted
  and residual values.</p>
    

    <pre class="usage"><span class='co'># S3 method for mkinfit</span>
<span class='fu'>summary</span>(<span class='no'>object</span>, <span class='kw'>data</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>, <span class='kw'>distimes</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>, <span class='kw'>alpha</span> <span class='kw'>=</span> <span class='fl'>0.05</span>, <span class='no'>...</span>)
<span class='co'># S3 method for summary.mkinfit</span>
<span class='fu'>print</span>(<span class='no'>x</span>, <span class='kw'>digits</span> <span class='kw'>=</span> <span class='fu'>max</span>(<span class='fl'>3</span>, <span class='fu'>getOption</span>(<span class='st'>"digits"</span>) - <span class='fl'>3</span>), <span class='no'>...</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>object</th>
      <td><p>an object of class <code><a href='mkinfit.html'>mkinfit</a></code>.</p></td>
    </tr>
    <tr>
      <th>x</th>
      <td><p>an object of class <code>summary.mkinfit</code>.</p></td>
    </tr>
    <tr>
      <th>data</th>
      <td><p>logical, indicating whether the data should be included in the summary.</p></td>
    </tr>
    <tr>
      <th>distimes</th>
      <td><p>logical, indicating whether DT50 and DT90 values should be included.</p></td>
    </tr>
    <tr>
      <th>alpha</th>
      <td><p>error level for confidence interval estimation from t distribution</p></td>
    </tr>
    <tr>
      <th>digits</th>
      <td><p>Number of digits to use for printing</p></td>
    </tr>
    <tr>
      <th>&#8230;</th>
      <td><p>optional arguments passed to methods like <code>print</code>.</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>The summary function returns a list derived from
  <code>summary.modFit</code>, with components, among others</p>
<dt>version, Rversion</dt><dd><p>The mkin and R versions used</p></dd>
  <dt>date.fit, date.summary</dt><dd><p>The dates where the fit and the summary were produced</p></dd>
  <dt>use_of_ff</dt><dd><p>Was maximum or minimum use made of formation fractions</p></dd>
  <dt>residuals, residualVariance, sigma, modVariance, df</dt><dd><p>As in summary.modFit</p></dd>
  <dt>cov.unscaled, cov.scaled, info, niter, stopmess, par</dt><dd><p>As in summary.modFit</p></dd>
  <dt>bpar</dt><dd><p>Optimised and backtransformed parameters</p></dd>
  <dt>diffs </dt><dd><p>The differential equations used in the model</p></dd>
  <dt>data </dt><dd><p>The data (see Description above).</p></dd>
  <dt>start </dt><dd><p>The starting values and bounds, if applicable, for optimised parameters.</p></dd>
  <dt>fixed </dt><dd><p>The values of fixed parameters.</p></dd>
  <dt>errmin </dt><dd><p>The chi2 error levels for each observed variable.</p></dd>
  <dt>bparms.ode </dt><dd><p>All backtransformed ODE parameters, for use as starting parameters for
    related models.</p></dd>
  <dt>ff </dt><dd><p>The estimated formation fractions derived from the fitted model.</p></dd>
  <dt>distimes </dt><dd><p>The DT50 and DT90 values for each observed variable.</p></dd>
  <dt>SFORB</dt><dd><p>If applicable, eigenvalues of SFORB components of the model.</p></dd>
  The print method is called for its side effect, i.e. printing the summary.

    
    <h2 class="hasAnchor" id="references"><a class="anchor" href="#references"></a>References</h2>

    <p>FOCUS (2006) &#8220;Guidance Document on Estimating Persistence and
  Degradation Kinetics from Environmental Fate Studies on Pesticides in EU
  Registration&#8221; Report of the FOCUS Work Group on Degradation Kinetics,
  EC Document Reference Sanco/10058/2005 version 2.0, 434 pp,
  <a href='http://esdac.jrc.ec.europa.eu/projects/degradation-kinetics'>http://esdac.jrc.ec.europa.eu/projects/degradation-kinetics</a></p>
    

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'>  <span class='fu'>summary</span>(<span class='fu'><a href='mkinfit.html'>mkinfit</a></span>(<span class='fu'><a href='mkinmod.html'>mkinmod</a></span>(<span class='kw'>parent</span> <span class='kw'>=</span> <span class='fu'><a href='mkinsub.html'>mkinsub</a></span>(<span class='st'>"SFO"</span>)), <span class='no'>FOCUS_2006_A</span>, <span class='kw'>quiet</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>))</div><div class='output co'>#&gt; mkin version used for fitting:    0.9.47.1 
#&gt; R version used for fitting:       3.4.3 
#&gt; Date of fit:     Fri Mar  9 23:08:29 2018 
#&gt; Date of summary: Fri Mar  9 23:08:29 2018 
#&gt; 
#&gt; Equations:
#&gt; d_parent/dt = - k_parent_sink * parent
#&gt; 
#&gt; Model predictions using solution type analytical 
#&gt; 
#&gt; Fitted with method Port using 35 model solutions performed in 0.075 s
#&gt; 
#&gt; Weighting: none
#&gt; 
#&gt; Starting values for parameters to be optimised:
#&gt;                value   type
#&gt; parent_0      101.24  state
#&gt; k_parent_sink   0.10 deparm
#&gt; 
#&gt; Starting values for the transformed parameters actually optimised:
#&gt;                        value lower upper
#&gt; parent_0          101.240000  -Inf   Inf
#&gt; log_k_parent_sink  -2.302585  -Inf   Inf
#&gt; 
#&gt; Fixed parameter values:
#&gt; None
#&gt; 
#&gt; Optimised, transformed parameters with symmetric confidence intervals:
#&gt;                   Estimate Std. Error  Lower   Upper
#&gt; parent_0           109.200     4.3910 98.410 119.900
#&gt; log_k_parent_sink   -3.291     0.1152 -3.573  -3.009
#&gt; 
#&gt; Parameter correlation:
#&gt;                   parent_0 log_k_parent_sink
#&gt; parent_0             1.000             0.575
#&gt; log_k_parent_sink    0.575             1.000
#&gt; 
#&gt; Residual standard error: 6.08 on 6 degrees of freedom
#&gt; 
#&gt; Backtransformed parameters:
#&gt; Confidence intervals for internally transformed parameters are asymmetric.
#&gt; t-test (unrealistically) based on the assumption of normal distribution
#&gt; for estimators of untransformed parameters.
#&gt;                Estimate t value    Pr(&gt;t)    Lower     Upper
#&gt; parent_0      109.20000  24.860 1.394e-07 98.41000 119.90000
#&gt; k_parent_sink   0.03722   8.679 6.457e-05  0.02807   0.04934
#&gt; 
#&gt; Chi2 error levels in percent:
#&gt;          err.min n.optim df
#&gt; All data   8.385       2  6
#&gt; parent     8.385       2  6
#&gt; 
#&gt; Resulting formation fractions:
#&gt;             ff
#&gt; parent_sink  1
#&gt; 
#&gt; Estimated disappearance times:
#&gt;         DT50  DT90
#&gt; parent 18.62 61.87
#&gt; 
#&gt; Data:
#&gt;  time variable observed predicted residual
#&gt;     0   parent   101.24   109.153  -7.9132
#&gt;     3   parent    99.27    97.622   1.6484
#&gt;     7   parent    90.11    84.119   5.9913
#&gt;    14   parent    72.19    64.826   7.3641
#&gt;    30   parent    29.71    35.738  -6.0283
#&gt;    62   parent     5.98    10.862  -4.8818
#&gt;    90   parent     1.54     3.831  -2.2911
#&gt;   118   parent     0.39     1.351  -0.9613</div></pre>
  </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="#references">References</a></li>
      
      <li><a href="#examples">Examples</a></li>
    </ul>

    <h2>Author</h2>
    
  Johannes Ranke

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