sult in valid point estimates -- sample-splitting is only required for valid inference.</p></dd>


<dt>stratified</dt>
<dd><p>if run_regression = TRUE, then should the generated
folds be stratified based on the outcome (helps to ensure class balance
across cross-validation folds)</p></dd>


<dt>C</dt>
<dd><p>the indicator of coarsening (1 denotes observed, 0 denotes
unobserved).</p></dd>


<dt>Z</dt>
<dd><p>either (i) NULL (the default, in which case the argument
<code>C</code> above must be all ones), or (