"scrna1.html"><a href="scrna1.html#cleaning-up-expression-matrix"><i class="fa fa-check"></i><b>19.4</b> Cleaning up expression matrix</a></li>
</ul></li>
<li class="chapter" data-level="20" data-path="scrna2.html"><a href="scrna2.html"><i class="fa fa-check"></i><b>20</b> Single-cell RNA-seq (2)</a>
<ul>
<li class="chapter" data-level="20.1" data-path="scrna2.html"><a href="scrna2.html#scrna-seq-dimension-reduction"><i class="fa fa-check"></i><b>20.1</b> scRNA seq dimension reduction</a></li>
<li class="ch