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\begin{table*}[htbp]\n  \centering\n  \small\n  \caption{Experiment Results Summary (Mean $\pm$ Std. Dev.)}\n  \label{tab:experiment_summary}\n  \begin{tabular}{llcccccc}\n    \toprule\n    SEM & Method & \multicolumn{3}{c}{ER(1,1)\_200} & \multicolumn{3}{c}{ER(1,1)\_1000} \\\n     &  & SHD & F1-score & Edge Recovery & SHD & F1-score & Edge Recovery \\\n    \midrule\n    ANM & nts-notears & 48.00{\scriptsize $\pm$ 11.73} & 0.63{\scriptsize $\pm$ 0.08} & 0.60{\scriptsize $\pm$ 0.15} & 31.33{\scriptsize $\pm$ 7.76} & 0.75{\scriptsize $\pm$ 0.06} & 0.68{\scriptsize $\pm$ 0.14} \\\n    ANM & nts-notears*\_20 & 47.17{\scriptsize $\pm$ 8.45} & 0.65{\scriptsize $\pm$ 0.06} & 1.00{\scriptsize $\pm$ 0.00} & 31.17{\scriptsize $\pm$ 7.03} & 0.76{\scriptsize $\pm$ 0.05} & 1.00{\scriptsize $\pm$ 0.00} \\\n    ANM & nts-notears*\_40 & 45.17{\scriptsize $\pm$ 7.03} & 0.68{\scriptsize $\pm$ 0.05} & 1.00{\scriptsize $\pm$ 0.00} & 28.33{\scriptsize $\pm$ 4.93} & 0.79{\scriptsize $\pm$ 0.03} & 1.00{\scriptsize $\pm$ 0.00} \\\n    ANM & nts-notears*\_60 & 49.00{\scriptsize $\pm$ 10.22} & 0.67{\scriptsize $\pm$ 0.07} & 1.00{\scriptsize $\pm$ 0.00} & 31.00{\scriptsize $\pm$ 8.88} & 0.78{\scriptsize $\pm$ 0.06} & 1.00{\scriptsize $\pm$ 0.00} \\\n    ANM & nts-notears*\_80 & 46.00{\scriptsize $\pm$ 7.64} & 0.70{\scriptsize $\pm$ 0.05} & 1.00{\scriptsize $\pm$ 0.00} & 28.33{\scriptsize $\pm$ 6.83} & 0.81{\scriptsize $\pm$ 0.04} & 1.00{\scriptsize $\pm$ 0.00} \\\n    ANM & nts-notears*\_100 & 48.17{\scriptsize $\pm$ 13.18} & 0.70{\scriptsize $\pm$ 0.07} & 1.00{\scriptsize $\pm$ 0.00} & 28.67{\scriptsize $\pm$ 6.22} & 0.81{\scriptsize $\pm$ 0.04} & 1.00{\scriptsize $\pm$ 0.00} \\\n    \midrule\n    AIM & nts-notears & 49.17{\scriptsize $\pm$ 5.12} & 0.60{\scriptsize $\pm$ 0.04} & 0.61{\scriptsize $\pm$ 0.14} & 20.00{\scriptsize $\pm$ 6.29} & 0.85{\scriptsize $\pm$ 0.04} & 0.77{\scriptsize $\pm$ 0.06} \\\n    AIM & nts-notears*\_20 & 47.33{\scriptsize $\pm$ 4.68} & 0.64{\scriptsize $\pm$ 0.02} & 1.00{\scriptsize $\pm$ 0.00} & 17.67{\scriptsize $\pm$ 5.96} & 0.87{\scriptsize $\pm$ 0.04} & 1.00{\scriptsize $\pm$ 0.00} \\\n    AIM & nts-notears*\_40 & 46.00{\scriptsize $\pm$ 6.45} & 0.67{\scriptsize $\pm$ 0.02} & 1.00{\scriptsize $\pm$ 0.00} & 17.67{\scriptsize $\pm$ 5.61} & 0.88{\scriptsize $\pm$ 0.03} & 1.00{\scriptsize $\pm$ 0.00} \\\n    AIM & nts-notears*\_60 & 44.83{\scriptsize $\pm$ 10.17} & 0.70{\scriptsize $\pm$ 0.05} & 1.00{\scriptsize $\pm$ 0.00} & 18.33{\scriptsize $\pm$ 8.31} & 0.88{\scriptsize $\pm$ 0.05} & 1.00{\scriptsize $\pm$ 0.00} \\\n    AIM & nts-notears*\_80 & 42.50{\scriptsize $\pm$ 8.96} & 0.73{\scriptsize $\pm$ 0.04} & 1.00{\scriptsize $\pm$ 0.00} & 18.17{\scriptsize $\pm$ 7.25} & 0.88{\scriptsize $\pm$ 0.04} & 1.00{\scriptsize $\pm$ 0.00} \\\n    AIM & nts-notears*\_100 & 39.67{\scriptsize $\pm$ 9.24} & 0.75{\scriptsize $\pm$ 0.04} & 1.00{\scriptsize $\pm$ 0.00} & 16.50{\scriptsize $\pm$ 7.29} & 0.89{\scriptsize $\pm$ 0.04} & 1.00{\scriptsize $\pm$ 0.00} \\\n    \bottomrule\n  \end{tabular}\n\end{table*}

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