 <th>sig.level</th>
      <td><p>significance level (alpha) for the experiment</p></td>
    </tr>
    <tr>
      <th>alternative</th>
      <td><p>type of alternative hypothesis ("two.sided" or
"one.sided")</p></td>
    </tr>
    <tr>
      <th>test.type</th>
      <td><p>type of test ("t.test", "wilcoxon", "binomial")</p></td>
    </tr>
    <tr>
      <th>d.range</th>
      <td><p>vector <code>c(dmin, dmax)</code> with range of effect sizes to consider
for the power calculations.</p></td>
    </tr>
    <tr