etamorph/data ds}</code>.  They also return
their result as a metamorph context.</p>
</div></div><div class="index"><p>Public variables and functions:</p><ul><li> <a href="tech.v3.dataset.metamorph.html#var-add-column">add-column</a> </li><li> <a href="tech.v3.dataset.metamorph.html#var-add-or-update-column">add-or-update-column</a> </li><li> <a href="tech.v3.dataset.metamorph.html#var-append-columns">append-columns</a> </li><li> <a href="tech.v3.dataset.metamorph.html#var-assoc-ds">assoc-ds</a> </li><li> <