data frame used to estimate a regression model. This is a wrapper around <code><a href="https://www.rdocumentation.org/packages/stats/topics/model.frame">get_all_vars()</a></code> that attempts to locate data as well as modify it according to <code>subset</code> and <code>na.action</code> arguments used in the original modelling call.</li>
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<code><a href="reference/mean_or_mode.html">mean_or_mode()</a></code> and <code><a href="reference/mean_or_mode.html">median_or_mode()</a></code>, which provide a co