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Edit File: date_utils.html
<!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: Various date utilities</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 is.Date {lubridate}"><tr><td>is.Date {lubridate}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Various date utilities</h2> <h3>Description</h3> <p><code><a href="date_utils.html">Date()</a></code> mirrors primitive contructors in base R (<code><a href="../../base/html/double.html">double()</a></code>, <code><a href="../../base/html/character.html">character()</a></code> etc.) </p> <h3>Usage</h3> <pre> is.Date(x) Date(length = 0L) NA_Date_ </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>x</code></td> <td> <p>an R object</p> </td></tr> <tr valign="top"><td><code>length</code></td> <td> <p>A non-negative number specifying the desired length. Supplying an argument of length other than one is an error.</p> </td></tr> </table> <h3>Format</h3> <p>An object of class <code>Date</code> of length 1. </p> <h3>See Also</h3> <p><code><a href="is.instant.html">is.instant()</a></code>, <code><a href="is.timespan.html">is.timespan()</a></code>, <code><a href="posix_utils.html">is.POSIXt()</a></code>, <code><a href="posix_utils.html">POSIXct()</a></code> </p> <h3>Examples</h3> <pre> is.Date(as.Date("2009-08-03")) # TRUE is.Date(difftime(now() + 5, now())) # FALSE </pre> <hr /><div style="text-align: center;">[Package <em>lubridate</em> version 1.7.9 <a href="00Index.html">Index</a>]</div> </body></html>