hen it would be a good idea to look at the introductory tutorial (<code><a href="../articles/treefit.html">vignette("treefit")</a></code>) before using it.</p>
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<h2 id="why-quantitative-trajectory-inference">1. Why “quantitative” trajectory inference?<a class="anchor" aria-label="anchor" href="#why-quantitative-trajectory-inference"></a>
</h2>
<p>Single-cell technologies are expected to help us discover a novel type of cells and revolutionize our understanding of the process 