/code>, and can
also include <code>options</code>, <code>demographics</code> and
<code>data</code>.  The corresponding values in the <code>file</code>
column give the names of the files (located in
<code>base_dir</code>) that contain the corresponding
information - or, in the case of <code>data</code>, the
directory containing the tables to be loaded.</p>
    </div>

  </div>
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