 </li><li> <a href="tech.v3.dataset.metamorph.html#var-select-columns">select-columns</a> </li><li> <a href="tech.v3.dataset.metamorph.html#var-select-columns-by-index">select-columns-by-index</a> </li><li> <a href="tech.v3.dataset.metamorph.html#var-select-missing">select-missing</a> </li><li> <a href="tech.v3.dataset.metamorph.html#var-select-rows">select-rows</a> </li><li> <a href="tech.v3.dataset.metamorph.html#var-set-dataset-name">set-dataset-name</a> </li><li> <a href="tech.v3.dataset.metamorph.html#