na.omit, na.pass or na.exclude. Also accepts strings of the function names. See <code><a href="https://rdrr.io/r/stats/na.action.html" class="external-link">?na.action</a></code> for more details. By default it uses the na.action which is set in the global options by the respective user. Ignored if multiple imputation is used.</p></dd>
<dt>clean_data</dt>
<dd><p>If <code>TRUE</code> all columns which are not needed for the estimation are removed from <code>data</code> before any further calculations are per