r-variance">Error variance<a class="anchor" aria-label="anchor" href="#error-variance"></a></h3>


<p>The variance of the error components are specified via the <code>var_add=</code>
and <code>var_prop=</code> arguments of the function.</p>
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    </div>
    <div id="see-also">
    <h2>See also</h2>
    <div class="dont-index"><p>Other observation models: 
<code><a href="obs_combined.html">obs_combined</a>()</code>,
<code><a href="obs_proportional.html">obs_proportional</a>()</code></p></div>
    </div