  </li>
  </ul>
</li>
      </ul>
<ul class="nav navbar-nav navbar-right"></ul>
</div>
<!--/.nav-collapse -->
  </div>
<!--/.container -->
</div>
<!--/.navbar -->

      

      </header><div class="row">
  <div class="col-md-9 contents">
    <div class="page-header toc-ignore">
      <h1>Basic usage</h1>
                        <h4 class="author">Doug Friedman</h4>
            
            <h4 class="date">2019-09-18</h4>
      
      
      <div class="hidden name"><code>basic_usage.Rmd</code></div>

    