tton" aria-expanded="false">
    Tutorials
     
    <span class="caret"></span>
  </a>
  <ul class="dropdown-menu" role="menu">
<li>
      <a href="https://nelson-gon.github.io/mde/articles/missingness.html">Exploring Missingess</a>
    </li>
    <li>
      <a href="https://nelson-gon.github.io/mde/articles/recoding.html">Recoding to and from NA</a>
    </li>
    <li>
      <a href="https://nelson-gon.github.io/mde/news/index.html">Changes</a>
    </li>
  </ul>
</li>
      </ul>
<ul class="nav navbar-nav n