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<html><head><title>R: Old Faithful Geyser Data</title>
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<table width="100%" summary="page for geyser {MASS}"><tr><td>geyser {MASS}</td><td align="right">R Documentation</td></tr></table>
<h2>Old Faithful Geyser Data</h2>


<h3>Description</h3>

<p>
A version of the eruptions data from the &lsquo;Old Faithful&rsquo; geyser
in Yellowstone National  Park,  Wyoming. This version comes from
Azzalini and Bowman (1990) and is of continuous measurement from August
1 to August 15, 1985.
</p>
<p>
Some nocturnal duration measurements were coded as 2, 3 or 4 minutes,
having originally been described as &lsquo;short&rsquo;, &lsquo;medium&rsquo;
or &lsquo;long&rsquo;.
</p>


<h3>Usage</h3>

<pre>
geyser
</pre>


<h3>Format</h3>

<p>
A data frame with 299 observations on 2 variables.
<table summary="Rd table">
<tr>
  <td align="left"><code>duration</code>  </td>  <td align="left"> numeric  </td>  <td align="left"> Eruption time in mins </td>
</tr>
<tr>
  <td align="left"> <code>waiting</code>   </td>  <td align="left"> numeric  </td>  <td align="left"> Waiting time to next eruption </td>
</tr>
</table>


<h3>References</h3>

<p>
Azzalini, A. and Bowman, A. W. (1990) A look at some
data on the Old Faithful geyser.  <EM>Applied Statistics</EM>
<B>39</B>, 357&ndash;365.
</p>
<p>
Venables, W. N. and Ripley, B. D. (2002)
<EM>Modern Applied Statistics with S.</EM> Fourth edition.  Springer.
</p>


<h3>See Also</h3>

<p>
<code><a href="../../datasets/html/faithful.html">faithful</a></code>
</p>



<hr><div align="center">[Package <em>MASS</em> version 7.2-44 <a href="00Index.html">Index]</a></div>

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