<div class="figure" style="text-align: center">
<img src="figures/13_cv.png" alt="Schematic of hyperparameter tuning and performance estimation levels in CV. (Figure was taken from Schratz et al. (2018). Permission to reuse it  was kindly granted.)" width="500" />
<p class="caption">(\#fig:inner-outer)Schematic of hyperparameter tuning and performance estimation levels in CV. (Figure was taken from Schratz et al. (2018). Permission to reuse it  was kindly granted.)</p>
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