>Record of the number and type of O-ring failures prior to the
tragic Challenger mission in January, 1986.
</p>


<h3>Usage</h3>

<pre><code class='language-R'>orings</code></pre>


<h3>Format</h3>

<p>This data frame contains the following columns:
</p>

<dl>
<dt>Temperature</dt><dd><p>O-ring temperature for each test firing or
actual launch of the shuttle rocket engine</p>
</dd>
<dt>Erosion</dt><dd><p>Number of erosion incidents </p>
</dd>
<dt>Blowby</dt><dd><p>Number of blowby incidents</p>
</dd>
<dt>Tot