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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Summary method for Principal Components Analysis</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for summary.princomp {stats}"><tr><td>summary.princomp {stats}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Summary method for Principal Components Analysis</h2> <h3>Description</h3> <p>The <code><a href="../../base/html/summary.html">summary</a></code> method for class <code>"princomp"</code>. </p> <h3>Usage</h3> <pre> ## S3 method for class 'princomp' summary(object, loadings = FALSE, cutoff = 0.1, ...) ## S3 method for class 'summary.princomp' print(x, digits = 3, loadings = x$print.loadings, cutoff = x$cutoff, ...) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>object</code></td> <td> <p>an object of class <code>"princomp"</code>, as from <code>princomp()</code>.</p> </td></tr> <tr valign="top"><td><code>loadings</code></td> <td> <p>logical. Should loadings be included?</p> </td></tr> <tr valign="top"><td><code>cutoff</code></td> <td> <p>numeric. Loadings below this cutoff in absolute value are shown as blank in the output.</p> </td></tr> <tr valign="top"><td><code>x</code></td> <td> <p>an object of class "summary.princomp".</p> </td></tr> <tr valign="top"><td><code>digits</code></td> <td> <p>the number of significant digits to be used in listing loadings.</p> </td></tr> <tr valign="top"><td><code>...</code></td> <td> <p>arguments to be passed to or from other methods.</p> </td></tr> </table> <h3>Value</h3> <p><code>object</code> with additional components <code>cutoff</code> and <code>print.loadings</code>. </p> <h3>See Also</h3> <p><code><a href="princomp.html">princomp</a></code> </p> <h3>Examples</h3> <pre> summary(pc.cr <- princomp(USArrests, cor = TRUE)) ## The signs of the loading columns are arbitrary print(summary(princomp(USArrests, cor = TRUE), loadings = TRUE, cutoff = 0.2), digits = 2) </pre> <hr /><div style="text-align: center;">[Package <em>stats</em> version 3.6.0 <a href="00Index.html">Index</a>]</div> </body></html>