/dd>


<dt>subset</dt>
<dd><p>Data samples (rows) used to estimate the
covariances. Sset to <code>NULL</code> to use all the data.</p></dd>


<dt>remove_singleton</dt>
<dd><p>If <code>remove_singleton = TRUE</code>, factors
corresponding to singleton matrices will be removed from the output.</p></dd>


<dt>tag</dt>
<dd><p>How to name the covariance matrices.</p></dd>


<dt>output_model</dt>
<dd><p>The fitted flash model will be saved to this file
(using <code><a href="https://rdrr.io/r/base/readRDS.html" cl