target_cor</code> you input because
      we pass it through <code><a href="fix_cor.html">fix_cor</a></code> to ensure
      positive semi-definiteness of the resulting covariance matrix.</p></dd>

  <dt><code>matching_var</code></dt>
<dd><p>A matrix of simulated variables used to
      permute <code>design_perm</code> if the <code>target_cor</code> is not
      <code>NULL</code>.</p></dd>


</dl></div>
    <div id="references">
    <h2>References</h2>
    
<ul><li><p>Gerard, D (2020). "Data-based RNA-seq s