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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: Tidy a(n) power.htest object</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 tidy.power.htest {broom}"><tr><td>tidy.power.htest {broom}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Tidy a(n) power.htest object</h2> <h3>Description</h3> <p>Tidy summarizes information about the components of a model. A model component might be a single term in a regression, a single hypothesis, a cluster, or a class. Exactly what tidy considers to be a model component varies across models but is usually self-evident. If a model has several distinct types of components, you will need to specify which components to return. </p> <h3>Usage</h3> <pre> ## S3 method for class 'power.htest' tidy(x, ...) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>x</code></td> <td> <p>A <code>power.htest</code> object such as those returned from <code><a href="../../stats/html/power.t.test.html">stats::power.t.test()</a></code>.</p> </td></tr> <tr valign="top"><td><code>...</code></td> <td> <p>Additional arguments. Not used. Needed to match generic signature only. <strong>Cautionary note:</strong> Misspelled arguments will be absorbed in <code>...</code>, where they will be ignored. If the misspelled argument has a default value, the default value will be used. For example, if you pass <code>conf.lvel = 0.9</code>, all computation will proceed using <code>conf.level = 0.95</code>. Additionally, if you pass <code>newdata = my_tibble</code> to an <code><a href="reexports.html">augment()</a></code> method that does not accept a <code>newdata</code> argument, it will use the default value for the <code>data</code> argument.</p> </td></tr> </table> <h3>Value</h3> <p>A <code><a href="../../tibble/html/tibble.html">tibble::tibble()</a></code> with columns: </p> <table summary="R valueblock"> <tr valign="top"><td><code>delta</code></td> <td> <p>True difference in means.</p> </td></tr> <tr valign="top"><td><code>n</code></td> <td> <p>Number of observations by component.</p> </td></tr> <tr valign="top"><td><code>power</code></td> <td> <p>Power achieved for given value of n.</p> </td></tr> <tr valign="top"><td><code>sd</code></td> <td> <p>Standard deviation.</p> </td></tr> <tr valign="top"><td><code>sig.level</code></td> <td> <p>Significance level (Type I error probability).</p> </td></tr> </table> <h3>See Also</h3> <p><code><a href="../../stats/html/power.t.test.html">stats::power.t.test()</a></code> </p> <p>Other htest tidiers: <code><a href="augment.htest.html">augment.htest</a>()</code>, <code><a href="tidy.htest.html">tidy.htest</a>()</code>, <code><a href="tidy.pairwise.htest.html">tidy.pairwise.htest</a>()</code> </p> <h3>Examples</h3> <pre> ptt <- power.t.test(n = 2:30, delta = 1) tidy(ptt) library(ggplot2) ggplot(tidy(ptt), aes(n, power)) + geom_line() </pre> <hr /><div style="text-align: center;">[Package <em>broom</em> version 0.7.0 <a href="00Index.html">Index</a>]</div> </body></html>