r tap rates after drug administration
</p>


<h3>Format</h3>

<p>A data frame with 12 observations on the following 4 variables.
</p>

<dl>
<dt><code>ID</code></dt><dd><p>Case ID</p>
</dd>
<dt><code>Rate</code></dt><dd><p>Finger taps in a fixed time interval</p>
</dd>
<dt><code>Subj</code></dt><dd><p>Subject code (<code>A</code>, <code>B</code>, <code>C</code>, or <code>D</code>)</p>
</dd>
<dt><code>Drug</code></dt><dd><p>Drug administered (<code>Ca</code>=caffeine, <code>Pl</code>=placebo, or  <code>Th</co