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20 lines
1.3 KiB
HTML
20 lines
1.3 KiB
HTML
<html>
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<head><link rel="stylesheet" type="text/css" href="help.css" /></head>
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<body>
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<h1 class='module'>Principle Components Analysis</h1>
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<div class='author'>O.Conrad (c) 2010</div>
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<div class='description'>Principle Components Analysis (PCA) for grids. Implementation based on F. Murtagh's <a target="_blank" href="http://lib.stat.cmu.edu/multi/pca.c">code</a> as provided by the <a target="_blank" href="http://lib.stat.cmu.edu">StatLib</a> web site.<br/>
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<br/>
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References:<br/>
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Bahrenberg, G., Giese, E., Nipper, J. (1992): Statistische Methoden in der Geographie 2 - Multivariate Statistik. pp.198-277.<br/>
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</div>
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<h2>Parameters</h2>
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<dl class='parameters'>
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<dt>Grid system <div class='type'>Grid system</div></dt><dd>Grid system <div class='constraints'></div></dd>
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<dt>Grids <div class='type'>Input Grid list</div></dt><dd> <div class='constraints'></div></dd>
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<dt>Principle Components <div class='type'>Output Grid list</div></dt><dd> <div class='constraints'></div></dd>
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<dt>Method <div class='type'>Choice</div></dt><dd> <div class='constraints'>Available choices: correlation matrix, variance-covariance matrix, sums-of-squares-and-cross-products matrix</div></dd>
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<dt>Number of Components <div class='type'>Integer</div></dt><dd>maximum number of calculated first components; set to zero to get all <div class='constraints'></div></dd>
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</dl>
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</body></html>
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