\begin{table}[t]
    \centering
    \caption{Regret on the Kendall tau correlation\std{std} ($\downarrow$) of the ranking metrics when the base clusterings are restricted to as many clusters as targets. KL and Binary respectively stand for the DISCOTEC with KL divergence, and consensus binarisation.}
    \label{tab:benchmark_fixed_regretkendall_restricted}
    \begin{tabular}{lllll}
        \toprule
        &\multicolumn{2}{c}{FCPS}&\multicolumn{2}{c}{UCI}\\
        \cmidrule(r){2-3}\cmidrule(l){4-5}
        Model & Agg. & Kmeans & Agg. & Kmeans \\
        \midrule
        AARI & 0.40\std{0.48} & 0.78\std{0.84} &1.31\std{0.65} & 0.62\std{0.50} \\
        ANMI & 0.30\std{0.48} & 0.81\std{0.82} &1.28\std{0.59} & 0.57\std{0.54} \\
        CHI & 0.52\std{0.49} & 0.34\std{0.46} &\textbf{0.01\std{0.03}} & 0.69\std{0.53} \\
        SI & 0.81\std{0.73} & \textbf{0.16\std{0.23}} &1.42\std{0.45} & 0.42\std{0.47} \\
        \cmidrule{2-5}
        KL & 0.50\std{0.68} & 0.79\std{0.83} &1.49\std{0.52} & 0.62\std{0.50} \\
        Binary & \textbf{0.15\std{0.21}} & 0.82\std{0.96} &0.52\std{0.65} & 0.62\std{0.50} \\
        \bottomrule
    \end{tabular}
\end{table}