pan></span>
<span>    <span class="va">fit</span> <span class="op">=</span> <span class="fu">NMF</span><span class="fu">::</span><span class="fu"><a href="https://rdrr.io/pkg/NMF/man/nmf.html" class="external-link">nmf</a></span><span class="op">(</span><span class="va">...</span><span class="op">)</span></span>
<span>    <span class="co"># you better save `fit` into a permanent file in an absolute path</span></span>
<span>    <span class="fu"><a href="https://rdrr.io/r/base/readRDS.html" class="external-li