## 4 Experimental Design
### Algorithm Comparison Experiments
\begin{table}
\begin{tabular}{l l c c c c c c c c} \hline \hline \multicolumn{1}{c}{\multirow{2}{*}{**Data Stream**}} & \multicolumn{8}{c}{**Algorithm**} \\ \cline{3-10}  & & **LB** & **OAUE** & **ARF** & **BOLE** & **MUOB** & **MOOB** & **CALMID** & **HSDW-MI** \\ \hline \multirow{4}{*}{Stationary data stream} & ImbSta\_Stream & 96.37(3) & 94.34(6) & 96.63(2) & 94.72(5) & 82.19(8) & 94.14(7) & 95.96(4) & **97.19(1)** \\  & ImbSta\_Extreme\_Stream & 93.23(5) & 91.05(6) & 95.07(2) & 90.12(7) & 70.98(8) & 94.14(4) & 94.35(3) & **97.09(1)** \\  & ImbSta\_SG & 90.13(4) & 88.51(5) & 90.36(3) & 85.38(6) & 75.89(8) & 83.55(7) & 90.76(2) & **91.58(1)** \\  & ImbSta\_Extreme\_SG & 86.94(3) & 81.39(6) & 86.63(4) & 76.73(7) & 61.40(8) & 81.46(5) & 87.86(2) & **92.21(1)** \\  & ImbSta\_Extreme\_SIG & 83.40(4) & 78.72(5) & 87.26(3) & 74.70(7) & 60.91(8) & 78.14(6) & 89.14(2) & **92.17(1)** \\ \hline \multirow{4}{*}{Variable data stream} & ImbVar\_Stream & 56.86(8) & 91.13(5) & 91.39(4) & 91.72(2) & 87.11(6) & 91.55(3) & 81.57(7) & **92.12(1)** \\  & ImbVar\_Extreme\_Stream & 92.03(5) & 90.05(7) & 90.17(4) & 90.12(6) & 70.98(8) & 90.14(4) & 91.58(2) & **92.04(1)** \\  & ImbVar\_SG & 91.19(3) & 88.71(5) & 91.62(2) & 86.51(6) & 75.91(8) & 84.05(7) & **91.96(1)** & 91.05(4) \\  & ImbVar\_Extreme\_SG & 88.56(4) & 83.76(6) & 88.65(3) & 80.73(7) & 86.26(8) & 87.41(5) & 91.01(2) & **91.95(1)** \\  & ImbVar\_Extreme\_SIG & 87.85(3) & 62.15(7) & 87.55(4) & 82.23(6) & 57.97(8) & 85.92(5) & 90.12(2) & **91.87(1)** \\ \hline \multirow{4}{*}{Real Stream} & PokerHand & - & - & - & - & - & - & - & **15.16(1)** \\  & Kddcup 99 \_10\% & - & - & - & - & - & - & - & **5.47(1)** \\ \cline{1-1}  & Statlog(shuttle) & - & - & - & - & - & - & - & **38.80(1)** \\ \hline \hline \end{tabular}
\end{table} 
Table 6: G-mean results (%) of the comparison experiments. \begin{table}
\begin{tabular}{l l c c c c c c c c} \hline \hline \multicolumn{1}{c}{\multirow{2}{*}{**Data Stream**}} & \multicolumn{8}{c}{**Algorithm**} \\ \cline{3-10}  & & **LB** & **OAUE** & **ARF** & **BOLE** & **MUOB** & **MOOB** & **CALMID** & **HSDW-MI** \\ \hline \multirow{4}{*}{Stationary data stream} & ImbSta\_Stream & 92.85(3) & 88.25(6) & 96.21(2) & 91.52(5) & 70.76(8) & 85.82(7) & 91.91(4) & **96.24(1)** \\  & ImbSta\_Extreme\_Stream & 92.23(4) & 88.11(6) & 93.45(3) & 90.79(5) & 58.45(8) & 80.14(7) & 93.96(2) & **94.07(1)** \\  & ImbSta\_SG & 83.07(5) & 84.27(4) & **92.69(1)** & 81.05(6) & 65.41(8) & 79.19(7) & 90.02(3) & 92.57(2) \\  & ImbSta\_Extreme\_SG & 84.62(4) & 84.27(5) & 86.43(2) & 81.84(6) & 57.42(8) & 76.90(7) & **86.89(1)** & 86.24(3) \\  & ImbSta\_Extreme\_SIG & 82.30(5) & 81.72(6) & 84.63(3) & 82.75(4) & 54.59(8) & 74.54(7) & **89.77(1)** & 85.96(2) \\ \hline \multirow{4}{*}{Variable data stream} & ImbVar\_Stream & 89.65(4) & 89.75(2) & 89.67(3) & 88.29(6) & 80.32(8) & **90.45(1)** & 88.56(5) & 88.86(2) \\  & ImbVar\_Extreme\_Stream & 89.23(4) & 88.11(6) & 90.47(2) & **90.79(1)** & 58.45(8) & 80.14(7) & 90.33(3) & 88.29(5) \\  & ImbVar\_SG & 89.06(4) & 84.50(5) & **93.15(1)** & 83.23(6) & 65.19(8) & 79.26(7) & 89.33(3) & 92.71(2) \\  & ImbVar\_Extreme\_SG & 90.10(2) & 85.56(6) & **90.32(1)** & 87.68(5) & 58.89(8) & 81.76(7) & 89.82(3) & 88.32(4) \\  & ImbVar\_Extreme\_SIG & 91.30(3) & 79.25(7) & **91.36(1)** & 90.71(5) & 58.80(8) & 86.10(6) & 91.35(2) & 90.94(4) \\ \hline \multirow{4}{*}{Real Stream} & PokerHand & **44.28(1)** & 39.87(3) & - & 41.69(2) & - & 34.73(5) & - & 35.03(4) \\  & Kddcup 99 \_10\% & - & - & - & - & - & - & - & **56.91(1)** \\ \cline{1-1}  & Statlog(shuttle) & - & - & 13.48(3) & 5.93(4) & - & 40.44(2) & 6.86(5) & **75.05(1)** \\ \hline \hline \end{tabular}
\end{table} 
Table 7: Macro-Precision results (%) of the comparison experiments.