a href="tech.v3.dataset.html#var-mapseq-rf">mapseq-rf</a> </li><li> <a href="tech.v3.dataset.html#var-min-n-by-column">min-n-by-column</a> </li><li> <a href="tech.v3.dataset.html#var-missing">missing</a> </li><li> <a href="tech.v3.dataset.html#var-new-column">new-column</a> </li><li> <a href="tech.v3.dataset.html#var-new-dataset">new-dataset</a> </li><li> <a href="tech.v3.dataset.html#var-order-column-names">order-column-names</a> </li><li> <a href="tech.v3.dataset.html#var-pmap-ds">pmap-ds</a> </li><li> <a