Figure 1.

Boxplots obtained from 200 Monte Carlo simulations comparing 4 approaches to estimating ${\mathcal{D}}^{opt}$, given each scenario indexed by ξ ∈ {0, 1}, δ ∈ {1, 2} and n ∈ {250, 500}. The dotted horizontal line represents the optimal value corresponding to ${\mathcal{D}}^{opt}$.