l Functions<a class="anchor" aria-label="anchor" href="#higher-level-functions"></a>
</h2>
<p>In addition to these S4 classes, DSI provides functions to handle a list of remote data repository servers:</p>
<ul>
<li>
<code>datashield.login</code> and <code>datashield.logout</code> will make use of the <code>DSDriver</code> paradigm to create <code>DSConnection</code>s to the data repositories,</li>
<li>
<code>datashield.aggregate</code> and <code>datashield.assign</code> will perform typical DataSHIELD opera