89 lines
5.5 KiB
HTML
89 lines
5.5 KiB
HTML
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<title>Description of CutSample</title>
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<div><a href="../index.html">Home</a> > <a href="index.html">.</a> > CutSample.m</div>
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<!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png"> Master index</a></td>
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<td align="right"><a href="index.html">Index for . <img alt=">" border="0" src="../right.png"></a></td></tr></table>-->
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<h1>CutSample
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</h1>
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<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="box"><strong>stephane.adjemian@ens.fr [09-09-2005]</strong></div>
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<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="box"><strong>function CutSample() </strong></div>
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<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="fragment"><pre class="comment"> stephane.adjemian@ens.fr [09-09-2005]</pre></div>
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<!-- crossreference -->
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<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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This function calls:
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<ul style="list-style-image:url(../matlabicon.gif)">
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<li><a href="CheckPath.html" class="code" title="function DirectoryName = CheckPath(type)">CheckPath</a> 06-03-2005</li></ul>
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This function is called by:
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<ul style="list-style-image:url(../matlabicon.gif)">
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<li><a href="dynare_estimation.html" class="code" title="function dynare_estimation(var_list_)">dynare_estimation</a> </li></ul>
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<!-- crossreference -->
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<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function CutSample()</a>
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0002 <span class="comment">% stephane.adjemian@ens.fr [09-09-2005]</span>
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0003 <span class="keyword">global</span> M_ options_ estim_params_
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0004
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0005 npar = estim_params_.np+estim_params_.nvn+estim_params_.ncx+estim_params_.ncn+estim_params_.nvx;
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0006
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0007 DirectoryName = <a href="CheckPath.html" class="code" title="function DirectoryName = CheckPath(type)">CheckPath</a>(<span class="string">'metropolis'</span>);
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0008 file = dir([ DirectoryName <span class="string">'/'</span> M_.fname <span class="string">'_mh_history.mat'</span>]);
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0009 files = dir([ DirectoryName <span class="string">'/'</span> M_.fname <span class="string">'_mh*.mat'</span> ]);
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0010 <span class="keyword">if</span> ~length(files)
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0011 disp(<span class="string">'MH:: FAILURE! there is no MH file to load here!'</span>)
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0012 <span class="keyword">return</span>
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0013 <span class="keyword">end</span>
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0014 <span class="keyword">if</span> ~length(file)
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0015 disp(<span class="string">'MH:: FAILURE! there is no MH-history file!'</span>)
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0016 <span class="keyword">return</span>
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0017 <span class="keyword">else</span>
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0018 load([ DirectoryName <span class="string">'/'</span> M_.fname <span class="string">'_mh_history'</span>])
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0019 <span class="keyword">end</span>
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0020 TotalNumberOfMhFiles = sum(record.MhDraws(:,2));
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0021 TotalNumberOfMhDraws = sum(record.MhDraws(:,1));
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0022 MAX_nruns = ceil(options_.MaxNumberOfBytes/(npar+2)/8)
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0023 FirstDraw = floor(options_.mh_drop*TotalNumberOfMhDraws);
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0024 FirstMhFile = ceil(FirstDraw/MAX_nruns);
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0025 FirstLine = FirstDraw-(FirstMhFile-1)*MAX_nruns+1;
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0026 record.KeepedDraws.FirstMhFile = FirstMhFile;
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0027 record.KeepedDraws.FirstLine = FirstLine;
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0028 <span class="keyword">if</span> (TotalNumberOfMhFiles-1)-(FirstMhFile+1)+1 > 0
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0029 record.KeepedDraws.Distribution = [ MAX_nruns-FirstLine+1 ; <span class="keyword">...</span>
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0030 ones((TotalNumberOfMhFiles-1)-(FirstMhFile+1)+1,1)*MAX_nruns ; <span class="keyword">...</span>
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0031 record.MhDraws(<span class="keyword">end</span>,3) ];
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0032 <span class="keyword">elseif</span> TotalNumberOfMhFiles == 1
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0033 record.KeepedDraws.Distribution = [];
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0034 <span class="keyword">elseif</span> TotalNumberOfMhFiles == 2 & FirstMhFile > 1
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0035 record.KeepedDraws.Distribution = [MAX_nruns-FirstLine+1 ; record.MhDraws(<span class="keyword">end</span>,3)];
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0036 <span class="keyword">end</span>
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0037 save([DirectoryName <span class="string">'/'</span> M_.fname <span class="string">'_mh_history'</span>],<span class="string">'record'</span>);
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0038 fprintf(<span class="string">'MH: Total number of Mh draws: %d.\n'</span>,TotalNumberOfMhDraws);
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0039 fprintf(<span class="string">'MH: Total number of generated Mh files: %d.\n'</span>,TotalNumberOfMhFiles);
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0040 fprintf(<span class="string">'MH: I''ll use mh-files %d to %d.\n'</span>,FirstMhFile,TotalNumberOfMhFiles);
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0041 fprintf(<span class="string">'MH: In mh-file number %d i''ll start at line %d.\n'</span>,FirstMhFile,FirstLine);
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0042 fprintf(<span class="string">'MH: Finally I keep %d draws.\n'</span>,TotalNumberOfMhDraws-FirstDraw);
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0043 disp(<span class="string">' '</span>);</pre></div>
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