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  <title>Description of lcv</title>
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<h1>lcv
</h1>

<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
<div class="box"><strong></strong></div>

<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
<div class="box"><strong>function g=lcv(varargin) </strong></div>

<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
<div class="fragment"><pre class="comment">
 likelihood cross-validation.

 returned vector consists of log-likelihood, trace(H), trace(H'H)
 and cross-validated deviance (-2 * cross-validated log-likelihood).

 Author: Catherine Loader.</pre></div>

<!-- crossreference -->
<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
This function calls:
<ul style="list-style-image:url(../../../matlabicon.gif)">
<li><a href="locfit.html" class="code" title="function fit=locfit(varargin)">locfit</a>	Smoothing noisy data using Local Regression and Likelihood.</li><li><a href="rsum.html" class="code" title="function z = rsum(fit)">rsum</a>	</li></ul>
This function is called by:
<ul style="list-style-image:url(../../../matlabicon.gif)">
<li><a href="lcvplot.html" class="code" title="function g=lcvplot(alpha,varargin)">lcvplot</a>	</li></ul>
<!-- crossreference -->


<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function g=lcv(varargin)</a>
0002 <span class="comment">%</span>
0003 <span class="comment">% likelihood cross-validation.</span>
0004 <span class="comment">%</span>
0005 <span class="comment">% returned vector consists of log-likelihood, trace(H), trace(H'H)</span>
0006 <span class="comment">% and cross-validated deviance (-2 * cross-validated log-likelihood).</span>
0007 <span class="comment">%</span>
0008 <span class="comment">% Author: Catherine Loader.</span>
0009 
0010 fit = <a href="locfit.html" class="code" title="function fit=locfit(varargin)">locfit</a>(varargin{:},<span class="string">'ev'</span>,<span class="string">'cros'</span>);
0011 rs = <a href="rsum.html" class="code" title="function z = rsum(fit)">rsum</a>(fit);
0012 
0013 df0 = rs(1);
0014 df1 = rs(2);
0015 llk = rs(3);
0016 
0017 g = [llk df0 df1 -2*llk];
0018 
0019 <span class="keyword">return</span>;</pre></div>
<hr><address>Generated on Fri 12-Aug-2011 11:36:15 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/" target="_parent">m2html</a></strong> &copy; 2005</address>
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