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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: Tidiers for data.frame objects</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 data.frame_tidiers {broom}"><tr><td>data.frame_tidiers {broom}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Tidiers for data.frame objects</h2> <h3>Description</h3> <p>Data frame tidiers are deprecated and will be removed from an upcoming release of broom. </p> <h3>Usage</h3> <pre> ## S3 method for class 'data.frame' tidy(x, ..., na.rm = TRUE, trim = 0.1) ## S3 method for class 'data.frame' augment(x, data, ...) ## S3 method for class 'data.frame' glance(x, ...) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>x</code></td> <td> <p>A data.frame</p> </td></tr> <tr valign="top"><td><code>...</code></td> <td> <p>Additional arguments for other methods.</p> </td></tr> <tr valign="top"><td><code>na.rm</code></td> <td> <p>a logical value indicating whether <code>NA</code> values should be stripped before the computation proceeds.</p> </td></tr> <tr valign="top"><td><code>trim</code></td> <td> <p>the fraction (0 to 0.5) of observations to be trimmed from each end of <code>x</code> before the mean is computed. Passed to the <code>trim</code> argument of <code><a href="../../base/html/mean.html">mean</a></code></p> </td></tr> <tr valign="top"><td><code>data</code></td> <td> <p>data, not used</p> </td></tr> </table> <h3>Details</h3> <p>These perform tidy summaries of data.frame objects. <code>tidy</code> produces summary statistics about each column, while <code>glance</code> simply reports the number of rows and columns. Note that <code>augment.data.frame</code> will throw an error. </p> <h3>Value</h3> <p><code>tidy.data.frame</code> produces a data frame with one row per original column, containing summary statistics of each: </p> <table summary="R valueblock"> <tr valign="top"><td><code>column</code></td> <td> <p>name of original column</p> </td></tr> <tr valign="top"><td><code>n</code></td> <td> <p>Number of valid (non-NA) values</p> </td></tr> <tr valign="top"><td><code>mean</code></td> <td> <p>mean</p> </td></tr> <tr valign="top"><td><code>sd</code></td> <td> <p>standard deviation</p> </td></tr> <tr valign="top"><td><code>median</code></td> <td> <p>median</p> </td></tr> <tr valign="top"><td><code>trimmed</code></td> <td> <p>trimmed mean, with trim defaulting to .1</p> </td></tr> <tr valign="top"><td><code>mad</code></td> <td> <p>median absolute deviation (from the median)</p> </td></tr> <tr valign="top"><td><code>min</code></td> <td> <p>minimum value</p> </td></tr> <tr valign="top"><td><code>max</code></td> <td> <p>maximum value</p> </td></tr> <tr valign="top"><td><code>range</code></td> <td> <p>range</p> </td></tr> <tr valign="top"><td><code>skew</code></td> <td> <p>skew</p> </td></tr> <tr valign="top"><td><code>kurtosis</code></td> <td> <p>kurtosis</p> </td></tr> <tr valign="top"><td><code>se</code></td> <td> <p>standard error</p> </td></tr> </table> <p><code>glance</code> returns a one-row data.frame with </p> <table summary="R valueblock"> <tr valign="top"><td><code>nrow</code></td> <td> <p>number of rows</p> </td></tr> <tr valign="top"><td><code>ncol</code></td> <td> <p>number of columns</p> </td></tr> <tr valign="top"><td><code>complete.obs</code></td> <td> <p>number of rows that have no missing values</p> </td></tr> <tr valign="top"><td><code>na.fraction</code></td> <td> <p>fraction of values across all rows and columns that are missing</p> </td></tr> </table> <h3>Author(s)</h3> <p>David Robinson, Benjamin Nutter </p> <h3>Source</h3> <p>Skew and Kurtosis functions are adapted from implementations in the <code>moments</code> package: <br /> Lukasz Komsta and Frederick Novomestky (2015). moments: Moments, cumulants, skewness, kurtosis and related tests. R package version 0.14. <br /> https://CRAN.R-project.org/package=moments </p> <h3>See Also</h3> <p>Other deprecated: <code><a href="bootstrap.html">bootstrap</a>()</code>, <code><a href="confint_tidy.html">confint_tidy</a>()</code>, <code><a href="finish_glance.html">finish_glance</a>()</code>, <code><a href="fix_data_frame.html">fix_data_frame</a>()</code>, <code><a href="summary_tidiers.html">summary_tidiers</a></code>, <code><a href="tidy.density.html">tidy.density</a>()</code>, <code><a href="tidy.dist.html">tidy.dist</a>()</code>, <code><a href="tidy.ftable.html">tidy.ftable</a>()</code>, <code><a href="vector_tidiers.html">tidy.numeric</a>()</code> </p> <p>Other deprecated: <code><a href="bootstrap.html">bootstrap</a>()</code>, <code><a href="confint_tidy.html">confint_tidy</a>()</code>, <code><a href="finish_glance.html">finish_glance</a>()</code>, <code><a href="fix_data_frame.html">fix_data_frame</a>()</code>, <code><a href="summary_tidiers.html">summary_tidiers</a></code>, <code><a href="tidy.density.html">tidy.density</a>()</code>, <code><a href="tidy.dist.html">tidy.dist</a>()</code>, <code><a href="tidy.ftable.html">tidy.ftable</a>()</code>, <code><a href="vector_tidiers.html">tidy.numeric</a>()</code> </p> <p>Other deprecated: <code><a href="bootstrap.html">bootstrap</a>()</code>, <code><a href="confint_tidy.html">confint_tidy</a>()</code>, <code><a href="finish_glance.html">finish_glance</a>()</code>, <code><a href="fix_data_frame.html">fix_data_frame</a>()</code>, <code><a href="summary_tidiers.html">summary_tidiers</a></code>, <code><a href="tidy.density.html">tidy.density</a>()</code>, <code><a href="tidy.dist.html">tidy.dist</a>()</code>, <code><a href="tidy.ftable.html">tidy.ftable</a>()</code>, <code><a href="vector_tidiers.html">tidy.numeric</a>()</code> </p> <h3>Examples</h3> <pre> td <- tidy(mtcars) td glance(mtcars) library(ggplot2) # compare mean and standard deviation ggplot(td, aes(mean, sd)) + geom_point() + geom_text(aes(label = column), hjust = 1, vjust = 1) + scale_x_log10() + scale_y_log10() + geom_abline() </pre> <hr /><div style="text-align: center;">[Package <em>broom</em> version 0.7.0 <a href="00Index.html">Index</a>]</div> </body></html>