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<title>Function to plot squared residuals and the error model for an mkin object — mkinerrplot • mkin</title>


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<meta property="og:title" content="Function to plot squared residuals and the error model for an mkin object — mkinerrplot" />
<meta property="og:description" content="This function plots the squared residuals for the specified subset of the
observed variables from an mkinfit object. In addition, one or more dashed
line(s) show the fitted error model.  A combined plot of the fitted model
and this error model plot can be obtained with plot.mkinfit
using the argument show_errplot = TRUE." />


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    <h1>Function to plot squared residuals and the error model for an mkin object</h1>
    <small class="dont-index">Source: <a href='http://github.com/jranke/mkin/blob/master/R/mkinerrplot.R'><code>R/mkinerrplot.R</code></a></small>
    <div class="hidden name"><code>mkinerrplot.Rd</code></div>
    </div>

    <div class="ref-description">
    <p>This function plots the squared residuals for the specified subset of the
observed variables from an mkinfit object. In addition, one or more dashed
line(s) show the fitted error model.  A combined plot of the fitted model
and this error model plot can be obtained with <code><a href='plot.mkinfit.html'>plot.mkinfit</a></code>
using the argument <code>show_errplot = TRUE</code>.</p>
    </div>

    <pre class="usage"><span class='fu'>mkinerrplot</span>(
  <span class='no'>object</span>,
  <span class='kw'>obs_vars</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/names.html'>names</a></span>(<span class='no'>object</span>$<span class='no'>mkinmod</span>$<span class='no'>map</span>),
  <span class='kw'>xlim</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='fl'>0</span>, <span class='fl'>1.1</span> * <span class='fu'><a href='https://rdrr.io/r/base/Extremes.html'>max</a></span>(<span class='no'>object</span>$<span class='no'>data</span>$<span class='no'>predicted</span>)),
  <span class='kw'>xlab</span> <span class='kw'>=</span> <span class='st'>"Predicted"</span>,
  <span class='kw'>ylab</span> <span class='kw'>=</span> <span class='st'>"Squared residual"</span>,
  <span class='kw'>maxy</span> <span class='kw'>=</span> <span class='st'>"auto"</span>,
  <span class='kw'>legend</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>,
  <span class='kw'>lpos</span> <span class='kw'>=</span> <span class='st'>"topright"</span>,
  <span class='kw'>col_obs</span> <span class='kw'>=</span> <span class='st'>"auto"</span>,
  <span class='kw'>pch_obs</span> <span class='kw'>=</span> <span class='st'>"auto"</span>,
  <span class='kw'>frame</span> <span class='kw'>=</span> <span class='fl'>TRUE</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>A fit represented in an <code><a href='mkinfit.html'>mkinfit</a></code> object.</p></td>
    </tr>
    <tr>
      <th>obs_vars</th>
      <td><p>A character vector of names of the observed variables for
which residuals should be plotted. Defaults to all observed variables in
the model</p></td>
    </tr>
    <tr>
      <th>xlim</th>
      <td><p>plot range in x direction.</p></td>
    </tr>
    <tr>
      <th>xlab</th>
      <td><p>Label for the x axis.</p></td>
    </tr>
    <tr>
      <th>ylab</th>
      <td><p>Label for the y axis.</p></td>
    </tr>
    <tr>
      <th>maxy</th>
      <td><p>Maximum value of the residuals. This is used for the scaling of
the y axis and defaults to "auto".</p></td>
    </tr>
    <tr>
      <th>legend</th>
      <td><p>Should a legend be plotted?</p></td>
    </tr>
    <tr>
      <th>lpos</th>
      <td><p>Where should the legend be placed? Default is "topright". Will
be passed on to <code><a href='https://rdrr.io/r/graphics/legend.html'>legend</a></code>.</p></td>
    </tr>
    <tr>
      <th>col_obs</th>
      <td><p>Colors for the observed variables.</p></td>
    </tr>
    <tr>
      <th>pch_obs</th>
      <td><p>Symbols to be used for the observed variables.</p></td>
    </tr>
    <tr>
      <th>frame</th>
      <td><p>Should a frame be drawn around the plots?</p></td>
    </tr>
    <tr>
      <th>...</th>
      <td><p>further arguments passed to <code><a href='https://rdrr.io/r/base/plot.html'>plot</a></code>.</p></td>
    </tr>
    </table>

    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>Nothing is returned by this function, as it is called for its side
effect, namely to produce a plot.</p>
    <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>

    <div class='dont-index'><p><code><a href='mkinplot.html'>mkinplot</a></code>, for a way to plot the data and the fitted
lines of the mkinfit object.</p></div>

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'>
<span class='co'># \dontrun{</span>
<span class='no'>model</span> <span class='kw'>&lt;-</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='st'>"m1"</span>), <span class='kw'>m1</span> <span class='kw'>=</span> <span class='fu'><a href='mkinsub.html'>mkinsub</a></span>(<span class='st'>"SFO"</span>))</div><div class='output co'>#&gt; <span class='message'>Successfully compiled differential equation model from auto-generated C code.</span></div><div class='input'><span class='no'>fit</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='mkinfit.html'>mkinfit</a></span>(<span class='no'>model</span>, <span class='no'>FOCUS_2006_D</span>, <span class='kw'>error_model</span> <span class='kw'>=</span> <span class='st'>"tc"</span>, <span class='kw'>quiet</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</div><div class='output co'>#&gt; <span class='warning'>Warning: Observations with value of zero were removed from the data</span></div><div class='input'><span class='fu'>mkinerrplot</span>(<span class='no'>fit</span>)</div><div class='img'><img src='mkinerrplot-1.png' alt='' width='700' height='433' /></div><div class='input'># }

</div></pre>
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