EVOLUTION-MANAGER
Edit File: airquality.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: New York Air Quality Measurements</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 airquality {datasets}"><tr><td>airquality {datasets}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>New York Air Quality Measurements</h2> <h3>Description</h3> <p>Daily air quality measurements in New York, May to September 1973. </p> <h3>Usage</h3> <pre>airquality</pre> <h3>Format</h3> <p>A data frame with 154 observations on 6 variables. </p> <table summary="Rd table"> <tr> <td style="text-align: right;"> <code>[,1]</code> </td><td style="text-align: left;"> <code>Ozone</code> </td><td style="text-align: left;"> numeric </td><td style="text-align: left;"> Ozone (ppb)</td> </tr> <tr> <td style="text-align: right;"> <code>[,2]</code> </td><td style="text-align: left;"> <code>Solar.R</code> </td><td style="text-align: left;"> numeric </td><td style="text-align: left;"> Solar R (lang)</td> </tr> <tr> <td style="text-align: right;"> <code>[,3]</code> </td><td style="text-align: left;"> <code>Wind</code> </td><td style="text-align: left;"> numeric </td><td style="text-align: left;"> Wind (mph)</td> </tr> <tr> <td style="text-align: right;"> <code>[,4]</code> </td><td style="text-align: left;"> <code>Temp</code> </td><td style="text-align: left;"> numeric </td><td style="text-align: left;"> Temperature (degrees F)</td> </tr> <tr> <td style="text-align: right;"> <code>[,5]</code> </td><td style="text-align: left;"> <code>Month</code> </td><td style="text-align: left;"> numeric </td><td style="text-align: left;"> Month (1--12)</td> </tr> <tr> <td style="text-align: right;"> <code>[,6]</code> </td><td style="text-align: left;"> <code>Day</code> </td><td style="text-align: left;"> numeric </td><td style="text-align: left;"> Day of month (1--31) </td> </tr> </table> <h3>Details</h3> <p>Daily readings of the following air quality values for May 1, 1973 (a Tuesday) to September 30, 1973. </p> <ul> <li> <p><code>Ozone</code>: Mean ozone in parts per billion from 1300 to 1500 hours at Roosevelt Island </p> </li> <li> <p><code>Solar.R</code>: Solar radiation in Langleys in the frequency band 4000–7700 Angstroms from 0800 to 1200 hours at Central Park </p> </li> <li> <p><code>Wind</code>: Average wind speed in miles per hour at 0700 and 1000 hours at LaGuardia Airport </p> </li> <li> <p><code>Temp</code>: Maximum daily temperature in degrees Fahrenheit at La Guardia Airport. </p> </li></ul> <h3>Source</h3> <p>The data were obtained from the New York State Department of Conservation (ozone data) and the National Weather Service (meteorological data). </p> <h3>References</h3> <p>Chambers, J. M., Cleveland, W. S., Kleiner, B. and Tukey, P. A. (1983) <em>Graphical Methods for Data Analysis</em>. Belmont, CA: Wadsworth. </p> <h3>Examples</h3> <pre> require(graphics) pairs(airquality, panel = panel.smooth, main = "airquality 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>