corresponding test set.</p>
<p>Functions for fitting the model, determination of model complexity, if required by the fitting procedure, and aggregating the prediction error are passed as arguments <code>fit.fun</code>, <code>complexity</code> and <code>aggregation.fun</code>. Already available functions are</p>
<p>for model fit:
<code>fit.CoxBoost</code>, <code>fit.coxph</code>, <code>fit.LASSO</code>, <code>fit.rsf_mtry</code></p>
<p>to determine complexity:
<code>complexity.mincv.CoxBoost</code>, <code>c