\begin{table}[t]
    \centering
    \caption{Regret on the ARI of the model selected\std{std} ($\downarrow$) by each ranking metric when the base clusterings are restricted to as many clusters as targets.}
    \label{tab:benchmark_fixed_regretari_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 & 0.16\std{0.28} & 0.06\std{0.10} &0.31\std{0.22} & 0.05\std{0.05} \\
        ANMI & 0.16\std{0.28} & 0.06\std{0.10} &0.31\std{0.22} & 0.03\std{0.03} \\
        CHI & 0.24\std{0.33} & 0.05\std{0.09} &\textbf{0.00\std{0.00}} & 0.06\std{0.05} \\
        SI & 0.31\std{0.37} & 0.02\std{0.04} &0.38\std{0.25} & 0.07\std{0.08} \\
        \cmidrule{2-5}
        KL & 0.26\std{0.37} & 0.06\std{0.10} &0.32\std{0.21} & 0.05\std{0.05} \\
        Binary & 0.15\std{0.24} & 0.05\std{0.10} &0.17\std{0.18} & 0.05\std{0.06} \\
        \bottomrule
    \end{tabular}
\end{table}
