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<a href="#examples" class="anchor"></a>Examples</h2>
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<a href="#two-non-linear-models" class="anchor"></a>Two non-linear models</h3>
<p>For our first example we consider a dichotomized version of the serum cholesterol biomarker from the PBC dataset, taking as cut-off the value of 210 mg/dL. This a longitudinal dataset in which we have repeated measurements of serum cholesterol during fol