-sectional sampling</p></td>
      </tr></tbody><tbody><tr><th colspan="2">
          <h2 id="sample-size-for-detecting-differential-transmission">Sample size for detecting differential transmission <a href="#sample-size-for-detecting-differential-transmission" class="anchor" aria-hidden="true"></a></h2>
          <p class="section-desc"></p><p>Functions to calculate the sample size needed to detect differential transmission between groups</p>
        </th>
      </tr></tbody><tbody><tr><td>
          <p><c