# An Empirical Study of Cluster-Based MOEA/D Bare Bones PSO for Data Clustering +
## 4 Results
### BBPSO Comparisons
\begin{table}
\begin{tabular}{l c c c c c c c} \hline \hline
**Dataset** & **BBPSO** & **Accuracy** & **F1** & **Kappa** & **BSS** & **WSS** & **QE** \\ \hline \multirow{2}{*}{Appendicitis} & CM-BBPSO & \(0.771\pm 0.08\) & \(0.629\pm 0.15\) & \(0.280\pm 0.28\) & \(325\pm 144\) & \(249\pm 18\) & \(2.56\pm 0.43\) \\  & M-BBPSO & \(0.817\pm 0.05\) & \(0.676\pm 0.14\) & \(0.367\pm 0.27\) & \(229\pm 108\) & \(\textbf{230}\pm\textbf{189}\) & \(\textbf{2.49\pm 0.54}\) \\  & BBPSO & \(\textbf{0.818}\pm\textbf{0.07}\) & \(\textbf{0.717}\pm\textbf{0.11}\) & \(\textbf{0.449}\pm\textbf{0.20}\) & \(\textbf{979}\pm\textbf{572}\) & \(271\pm 58\) & \(2.54\pm 0.56\) \\ \hline \multirow{2}{*}{CMC} & CM-BBPSO & \(\textbf{0.402}\pm\textbf{0.02}\) & \(\textbf{0.371}\pm\textbf{0.04}\) & \(\textbf{0.089}\pm\textbf{0.05}\) & \(6590\pm 1540\) & \(4150\pm 186\) & \(2.88\pm 0.25\) \\  & M-BBPSO & \(0.400\pm 0.02\) & \(0.352\pm 0.03\) & \(0.063\pm 0.04\) & \(5230\pm 973\) & \(\textbf{4020}\pm\textbf{142}\) & \(\textbf{2.77\pm 0.19}\) \\  & BBPSO & \(0.390\pm 0.02\) & \(0.355\pm 0.05\) & \(0.064\pm 0.06\) & \(\textbf{16,600}\pm\textbf{3680}\) & \(5080\pm 504\) & \(3.49\pm 0.330\) \\ \hline \multirow{2}{*}{Dermatology} & CM-BBPSO & \(0.651\pm 0.07\) & \(0.556\pm 0.08\) & \(0.570\pm 0.08\) & \(7620\pm 1060\) & \(1870\pm 58\) & \(5.31\pm 0.31\) \\  & M-BBPSO & \(0.666\pm 0.08\) & \(0.572\pm 0.10\) & \(0.588\pm 0.10\) & \(7440\pm 936\) & \(\textbf{1760}\pm\textbf{56}\) & \(\textbf{5.11\pm 0.37}\) \\  & BBPSO & \(\textbf{0.680}\pm\textbf{0.08}\) & \(\textbf{0.607}\pm\textbf{0.11}\) & \(\textbf{0.605}\pm\textbf{0.10}\) & \(\textbf{10,300}\pm\textbf{1340}\) & \(1930\pm 94\) & \(5.28\pm 0.37\) \\ \hline \multirow{2}{*}{Ecoli} & CM-BBPSO & \(\textbf{0.499}\pm\textbf{0.07}\) & \(\textbf{0.333}\pm\textbf{0.05}\) & \(\textbf{0.372}\pm\textbf{0.06}\) & \(1060\pm 183\) & \(576\pm 19\) & \(1.97\pm 0.33\) \\  & M-BBPSO & \(0.493\pm 0.08\) & \(0.326\pm 0.06\) & \(0.364\pm 0.08\) & \(1110\pm 181\) & \(\textbf{558}\pm 28\) & \(\textbf{1.89\pm 0.20}\) \\  & BBPSO & \(0.437\pm 0.05\) & \(0.266\pm 0.04\) & \(0.295\pm 0.05\) & \(\textbf{1910}\pm\textbf{293}\) & \(694\pm 43\) & \(2.01\pm 0.13\) \\ \hline \multirow{2}{*}{Glass} & CM-BBPSO & \(0.429\pm 0.04\) & \(0.351\pm 0.05\) & \(0.235\pm 0.04\) & \(818\pm 186\) & \(438\pm 19\) & \(2.75\pm 0.45\) \\  & M-BBPSO & \(\textbf{0.462}\pm\textbf{0.05}\) & \(\textbf{0.382}\pm\textbf{0.05}\) & \(\textbf{0.280}\pm\textbf{0.06}\) & \(864\pm 168\) & \(\textbf{422}\pm 28\) & \(\textbf{2.69\pm 0.56}\) \\  & BBPSO & \(0.424\pm 0.04\) & \(0.354\pm 0.05\) & \(0.229\pm 0.05\) & \(\textbf{2430}\pm\textbf{861}\) & \(640\pm 119\) & \(2.95\pm 0.66\) \\ \hline \multirow{2}{*}{Iris} & CM-BBPSO & \(0.721\pm 0.10\) & \(0.672\pm 0.14\) & \(0.582\pm 0.15\) & \(421\pm 123\) & \(205\pm 34\) & \(1.41\pm 0.29\) \\  & M-BBPSO & \(0.731\pm 0.09\) & \(0.677\pm 0.13\) & \(0.597\pm 0.13\) & \(439\pm 85.8\) & \(172\pm 23\) & \(1.27\pm 0.32\) \\  & BBPSO & \(\textbf{0.786}\pm\textbf{0.08}\) & \(\textbf{0.769}\pm\textbf{0.11}\) & \(\textbf{0.679}\pm\textbf{0.12}\) & \(\textbf{674}\pm\textbf{93.6}\) & \(\textbf{166}\pm\textbf{9}\) & \(\textbf{1.10\pm 0.07}\) \\ \hline \multirow{2}{*}{Seeds} & CM-BBPSO & \(0.727\pm 0.12\) & \(0.684\pm 0.16\) & \(0.590\pm 0.18\) & \(1050\pm 456\) & \(431\pm 53\) & \(2.10\pm 0.37\) \\  & M-BBPSO & \(0.798\pm 0.13\) & \(0.758\pm 0.18\) & \(0.696\pm 0.19\) & \(1100\pm 295\) & \(375\pm 37\) & \(1.83\pm 0.24\) \\  & BBPSO & \(\textbf{0.876}\pm\textbf{0.08}\) & \(\textbf{0.870}\pm\textbf{0.10}\) & \(\textbf{0.814}\pm\textbf{0.12}\) & \(\textbf{1890}\pm\textbf{191}\) & \(\textbf{358}\pm\textbf{25}\) & \(\textbf{1.71\pm 0.13}\) \\ \hline \multirow{2}{*}{Segment} & CM-BBPSO & \(0.547\pm 0.06\) & \(0.497\pm 0.06\) & \(0.471\pm 0.07\) & \(23{,}700\pm 3610\) & \(6520\pm 324\) & \(3.15\pm 0.41\) \\  & M-BBPSO & \(\textbf{0.581}\pm\textbf{0.06}\) & \(\textbf{0.528}\pm\textbf{0.08}\) & \(\textbf{0.511}\pm\textbf{0.07}\) & \(23{,}500\pm 2980\) & \(\textbf{6140}\pm\textbf{267}\) & \(\textbf{3.1\pm 0.57}\) \\  & BBPSO & \(0.560\pm 0.07\) & \(0.523\pm 0.08\) & \(0.487\pm 0.08\) & **33,700**\(\pm\)**4470 & \(7730\pm 704\) & \(3.3\pm 0.29\) \\ \hline \multirow{2}{*}{Sonar} & CM-BBPSO & \(\textbf{0.552}\pm\textbf{0.05}\) & \(\textbf{0.516}\pm\textbf{0.06}\) & \(\textbf{0.112}\pm\textbf{0.09}\) & \(7670\