dynare/matlab/doc/initial_estimation_checks.html

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<div><a href="../index.html">Home</a> &gt; <a href="index.html">.</a> &gt; initial_estimation_checks.m</div>
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<h1>initial_estimation_checks
</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 initial_estimation_checks(xparam1,gend,data) </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"></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="DsgeLikelihood.html" class="code" title="function [fval,cost_flag,ys,trend_coeff,info] = DsgeLikelihood(xparam1,gend,data)">DsgeLikelihood</a> stephane.adjemian@cepremap.cnrs.fr [09-07-2004]</li></ul>
This function is called by:
<ul style="list-style-image:url(../matlabicon.gif)">
<li><a href="dynare_estimation.html" class="code" title="function dynare_estimation(var_list_)">dynare_estimation</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 initial_estimation_checks(xparam1,gend,data)</a>
0002 <span class="keyword">global</span> dr1_test bayestopt_ estim_params_ options_ oo_ M_
0003
0004 nv = size(data,1);
0005 <span class="keyword">if</span> nv-size(options_.varobs,1)
0006 disp(<span class="string">' '</span>)
0007 disp([<span class="string">'Declared number of observed variables = '</span> int2str(size(options_.varobs,1))])
0008 disp([<span class="string">'Number of variables in the database = '</span> int2str(nv)])
0009 disp(<span class="string">' '</span>)
0010 error([<span class="string">'Estimation can''t take place because the declared number of observed'</span> <span class="keyword">...</span>
0011 <span class="string">'variables doesn''t match the number of variables in the database.'</span>])
0012 <span class="keyword">end</span>
0013 <span class="keyword">if</span> nv &gt; M_.exo_nbr+estim_params_.nvn
0014 error([<span class="string">'Estimation can''t take place because there are less shocks than'</span> <span class="keyword">...</span>
0015 <span class="string">'observed variables'</span>])
0016 <span class="keyword">end</span>
0017 r = rank(data);
0018 <span class="keyword">if</span> r &lt; nv
0019 error([<span class="string">'Estimation can''t take place because the data are perfectly'</span> <span class="keyword">...</span>
0020 <span class="string">' correlated'</span>]);
0021 <span class="keyword">end</span>
0022
0023 fval = <a href="DsgeLikelihood.html" class="code" title="function [fval,cost_flag,ys,trend_coeff,info] = DsgeLikelihood(xparam1,gend,data)">DsgeLikelihood</a>(xparam1,gend,data);
0024 <span class="keyword">if</span> exist(dr1_test)
0025 disp(dr1_test)
0026 <span class="keyword">switch</span>(dr1_test(1))
0027 <span class="keyword">case</span> 1
0028 error(<span class="string">'The steady state can''t be found'</span>);
0029 <span class="keyword">case</span> 2
0030 error([<span class="string">'Estimation can''t take place because there are an infinity of'</span> <span class="keyword">...</span>
0031 <span class="string">' stable solutions'</span>]);
0032 <span class="keyword">case</span> 3
0033 error([<span class="string">'Estimation can''t take place because there is no stable'</span> <span class="keyword">...</span>
0034 <span class="string">' solution'</span>]);
0035 <span class="keyword">case</span> 4
0036 error([<span class="string">'Estimation can''t take place because of singularity in Kalman'</span> <span class="keyword">...</span>
0037 <span class="string">' filter'</span>]);
0038 <span class="keyword">otherwise</span>
0039 <span class="keyword">end</span>
0040 <span class="keyword">end</span></pre></div>
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