📄 dec2pos.html

📁 一个关于数据聚类和模式识别的程序,在生物化学,化学中因该都可以用到.希望对大家有用,谢谢支持
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"                "http://www.w3.org/TR/REC-html40/loose.dtd"><html><head>  <title>Description of dec2pos</title>  <meta name="keywords" content="dec2pos">  <meta name="description" content="DEC2POS Output data transformation">  <meta http-equiv="Content-Type" content="text/html; charset=big5">  <meta name="generator" content="m2html &copy; 2003 Guillaume Flandin">  <meta name="robots" content="index, follow">  <link type="text/css" rel="stylesheet" href="../m2html.css"></head><body><a name="_top"></a><div><a href="../index.html">Home</a> &gt;  <a href="index.html">dcpr</a> &gt; dec2pos.m</div><!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png">&nbsp;Master index</a></td><td align="right"><a href="index.html">Index for dcpr&nbsp;<img alt=">" border="0" src="../right.png"></a></td></tr></table>--><h1>dec2pos</h1><h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="box"><strong>DEC2POS Output data transformation</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 [input, class] = dec2pos(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">DEC2POS Output data transformation
    [INPUT, CLASS] = DEC2POS(DATA)
    DATA is input plus output; the output is the last column of DATA
        (The output takes value from 1 to n, where n is the total number
        of classes.)
    INPUT is DATA(:, 1:end-1);
    CLASS is position representation of the last column of DATA
        (The size of CLASS is data_nxn.)</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)"></ul>This function is called by:<ul style="list-style-image:url(../matlabicon.gif)"></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 [input, class] = dec2pos(data);</a>0002 <span class="comment">%DEC2POS Output data transformation</span>0003 <span class="comment">%    [INPUT, CLASS] = DEC2POS(DATA)</span>0004 <span class="comment">%    DATA is input plus output; the output is the last column of DATA</span>0005 <span class="comment">%        (The output takes value from 1 to n, where n is the total number</span>0006 <span class="comment">%        of classes.)</span>0007 <span class="comment">%    INPUT is DATA(:, 1:end-1);</span>0008 <span class="comment">%    CLASS is position representation of the last column of DATA</span>0009 <span class="comment">%        (The size of CLASS is data_nxn.)</span>0010 0011 data_n = size(data, 1);0012 class_n = max(data(:,end));0013 0014 input = data(:, 1:end-1);0015 class = zeros(data_n, class_n);0016 <span class="keyword">for</span> i = 1:class_n,0017     index = find(data(:,end)==i);0018     class(index, i) = 1;0019 <span class="keyword">end</span></pre></div><hr><address>Generated on Thu 30-Oct-2008 12:53:56 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> &copy; 2003</address></body></html>
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