4 observations on two variables</p><dl><dt>score</dt>
<dd><p>score from an experiment</p></dd>
 
<dt>group</dt>
<dd><p>factor with levels 1, 2, and 3</p></dd>
 

</dl></div>
    <div id="references">
    <h2>References</h2>
    <p>Kitchens, L. J. (2003) <em>Basic Statistics and Data Analysis</em>.
Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><spa