EVOLUTION-MANAGER
Edit File: presidents.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: Quarterly Approval Ratings of US Presidents</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 presidents {datasets}"><tr><td>presidents {datasets}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Quarterly Approval Ratings of US Presidents</h2> <h3>Description</h3> <p>The (approximately) quarterly approval rating for the President of the United States from the first quarter of 1945 to the last quarter of 1974. </p> <h3>Usage</h3> <pre>presidents</pre> <h3>Format</h3> <p>A time series of 120 values. </p> <h3>Details</h3> <p>The data are actually a fudged version of the approval ratings. See McNeil's book for details. </p> <h3>Source</h3> <p>The Gallup Organisation. </p> <h3>References</h3> <p>McNeil, D. R. (1977) <em>Interactive Data Analysis</em>. New York: Wiley. </p> <h3>Examples</h3> <pre> require(stats); require(graphics) plot(presidents, las = 1, ylab = "Approval rating (%)", main = "presidents data") </pre> <hr /><div style="text-align: center;">[Package <em>datasets</em> version 3.6.0 <a href="00Index.html">Index</a>]</div> </body></html>