omplexity.ipec.CoxBoost</code>, <code>complexity.LASSO</code>, <code>complexity.ipec.rsf_mtry</code></p>
<p>to aggregate prediction error:
<code>aggregation.pmpec</code>, <code>aggregation.brier</code>, <code>aggregation.misclass</code></p>
<p>Function <code>peperr</code> is especially designed for evaluation of newly developed model fitting routines. For that, own routines can be passed as arguments to the <code>peperr</code> call. They are incorporated as follows (also compare existing functions, as named