section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>An object of class <code>model_query</code>. A data frame with possible
  columns: model, query, given, using, case_level, mean, sd, cred.low, cred.high.
  Further columns are generated as specified in <code>stats</code>.</p>
    </div>
    <div class="section level2">
    <h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
    <p>Queries can condition on observed