<a class="anchor" aria-label="anchor" href="#arg-values"></a></dt>
<dd><p>the attributes to use for non 0 values.
This should be of the same length as the number of unique non-0 clusters.
If it is shorter, it is recycled.</p>
<p>OR, this can also be of the same length as the number of leaves in the tree
In which case, the values will be aggreagted (i.e.: <a href="https://rdrr.io/r/base/tapply.html" class="external-link">tapply</a>), to match
the number of clusters. The first value of each cluster will be us