ed treatment assignment or outcome models such as <code>direct</code> or <code>aiptw</code>, the user is required to supply a <code>mira</code> object instead of a single model. In other words: the models have to be fit on every imputed dataset before supplying them to this function. See <code><a href="https://amices.org/mice/reference/mice.html" class="external-link">?mice</a></code> and the associated documentation for more information on how to use multiple imputation. When using <code>bootstrap=TRUE</co