\begin{tabular}{l*{5}{r@{/}l}}
\hline\abovespace\belowspace
Dataset/Alg & \multicolumn{2}{c}{R-Test} & \multicolumn{2}{c}{R-Prog} & \multicolumn{2}{c}{R-Bag} & \multicolumn{2}{c}{R-CV} & \multicolumn{2}{c}{R-P-B}\\\hline\abovespace
australian/svmlight & $\mathbf{13.04}$ & ${31.12}$ & ${13.91}$ & ${33.18}$ & ${13.77}$ & $\mathbf{23.29}$ & ${15.36}$ & ${32.30}$ & ${21.88}$ & ${42.15}$\\
breast-cancer/svmlight & $\mathbf{1.45}$ & ${11.55}$ & ${2.17}$ & ${10.49}$ & ${1.88}$ & $\mathbf{8.60}$ & ${2.17}$ & ${16.29}$ & ${8.12}$ & ${25.61}$\\
census-income/c4.5 & ${4.61}$ & $\mathbf{4.93}$ & ${4.60}$ & ${5.92}$ & ${4.82}$ & ${5.03}$ & $\mathbf{4.59}$ & ${5.01}$ & NA & NA\\
covtype/c4.5 & ${5.69}$ & $\mathbf{5.91}$ & $\mathbf{5.61}$ & ${6.52}$ & ${6.93}$ & ${7.04}$ & ${5.69}$ & ${6.00}$ & NA & NA\\
crx/c4.5 & $\mathbf{10.14}$ & ${25.40}$ & ${11.45}$ & ${29.34}$ & ${11.45}$ & $\mathbf{24.83}$ & ${10.72}$ & ${33.48}$ & NA & NA\\
diabetes/svmlight & $\mathbf{19.22}$ & ${36.90}$ & ${19.74}$ & ${43.04}$ & ${20.65}$ & $\mathbf{33.63}$ & ${21.30}$ & ${42.71}$ & ${27.27}$ & ${42.04}$\\
dna/c4.5 & ${7.46}$ & ${12.61}$ & $\mathbf{7.08}$ & ${13.16}$ & ${8.56}$ & $\mathbf{11.29}$ & ${7.30}$ & ${13.70}$ & NA & NA\\
dna/libsvm & ${5.45}$ & ${7.98}$ & ${5.27}$ & ${8.65}$ & ${5.02}$ & $\mathbf{6.86}$ & $\mathbf{4.76}$ & ${8.78}$ & NA & NA\\
fourclass/svmlight & ${19.54}$ & ${28.75}$ & ${18.51}$ & ${32.37}$ & $\mathbf{15.40}$ & $\mathbf{22.98}$ & ${19.77}$ & ${32.23}$ & ${25.17}$ & ${41.67}$\\
german.numer/svmlight & ${30.90}$ & ${42.27}$ & $\mathbf{30.60}$ & ${42.39}$ & ${33.90}$ & $\mathbf{38.20}$ & ${31.80}$ & ${47.19}$ & ${47.90}$ & ${53.87}$\\
heart/svmlight & $\mathbf{20.37}$ & ${50.10}$ & ${21.85}$ & ${52.54}$ & ${23.33}$ & $\mathbf{36.56}$ & $\mathbf{20.37}$ & ${52.91}$ & ${42.59}$ & ${52.69}$\\
hypo/c4.5 & ${0.74}$ & ${1.70}$ & $\mathbf{0.63}$ & ${1.79}$ & ${0.98}$ & $\mathbf{1.46}$ & $\mathbf{0.63}$ & ${3.03}$ & NA & NA\\
letter/c4.5 & ${12.50}$ & ${14.29}$ & $\mathbf{11.76}$ & $\mathbf{13.22}$ & ${14.57}$ & ${16.02}$ & ${12.37}$ & ${14.87}$ & NA & NA\\
letter/libsvm & ${2.33}$ & $\mathbf{3.04}$ & $\mathbf{2.20}$ & ${3.93}$ & ${2.91}$ & ${3.66}$ & ${2.21}$ & ${3.48}$ & NA & NA\\
mnist/libsvm & ${1.72}$ & $\mathbf{2.09}$ & $\mathbf{1.70}$ & ${4.34}$ & ${1.99}$ & ${2.28}$ & ${1.73}$ & ${2.29}$ & NA & NA\\
mnist0/svmlight & $\mathbf{0.29}$ & ${0.46}$ & $\mathbf{0.29}$ & ${0.83}$ & $\mathbf{0.29}$ & $\mathbf{0.43}$ & $\mathbf{0.29}$ & ${0.57}$ & ${0.74}$ & ${2.52}$\\
mnist0-10000/svmlight & $\mathbf{0.57}$ & ${1.21}$ & ${0.58}$ & ${1.16}$ & ${0.60}$ & $\mathbf{1.02}$ & ${0.62}$ & ${1.75}$ & ${1.62}$ & ${5.75}$\\
monk1/c4.5 & $\mathbf{0.00}$ & ${8.80}$ & ${0.36}$ & ${10.88}$ & ${2.32}$ & $\mathbf{7.50}$ & ${1.61}$ & ${18.01}$ & NA & NA\\
monk2/c4.5 & $\mathbf{40.66}$ & ${58.49}$ & ${41.31}$ & ${59.74}$ & ${41.64}$ & $\mathbf{49.81}$ & ${41.64}$ & ${58.17}$ & NA & NA\\
monk3/c4.5 & $\mathbf{1.79}$ & ${8.80}$ & $\mathbf{1.79}$ & ${10.88}$ & $\mathbf{1.79}$ & $\mathbf{5.82}$ & $\mathbf{1.79}$ & ${15.00}$ & NA & NA\\
satimage/c4.5 & $\mathbf{13.20}$ & $\mathbf{16.50}$ & ${13.82}$ & ${18.50}$ & ${15.19}$ & ${17.68}$ & ${14.13}$ & ${18.72}$ & NA & NA\\
satimage/libsvm & ${7.64}$ & ${12.16}$ & $\mathbf{7.55}$ & ${13.17}$ & ${8.82}$ & $\mathbf{10.80}$ & ${7.81}$ & ${11.88}$ & NA & NA\\
segment/c4.5 & ${1.04}$ & ${10.92}$ & ${1.13}$ & ${9.23}$ & ${2.25}$ & $\mathbf{7.65}$ & $\mathbf{1.00}$ & ${10.63}$ & NA & NA\\
segment/libsvm & ${3.90}$ & ${6.86}$ & ${3.72}$ & ${8.06}$ & ${3.59}$ & $\mathbf{5.60}$ & $\mathbf{3.42}$ & ${8.21}$ & NA & NA\\
shuttle/c4.5 & $\mathbf{0.04}$ & ${0.14}$ & $\mathbf{0.04}$ & ${0.17}$ & ${0.06}$ & $\mathbf{0.12}$ & ${0.05}$ & ${0.21}$ & NA & NA\\
shuttle/libsvm & $\mathbf{0.05}$ & ${0.24}$ & $\mathbf{0.05}$ & ${0.31}$ & ${0.07}$ & $\mathbf{0.20}$ & $\mathbf{0.05}$ & ${0.29}$ & NA & NA\\
soybean/c4.5 & $\mathbf{6.67}$ & $\mathbf{15.75}$ & $\mathbf{6.67}$ & ${18.83}$ & ${9.57}$ & ${18.94}$ & ${8.70}$ & ${26.44}$ & NA & NA\\
usps/libsvm & ${1.84}$ & $\mathbf{3.17}$ & ${1.75}$ & ${3.42}$ & ${1.99}$ & ${3.32}$ & $\mathbf{1.71}$ & ${4.03}$ & NA & NA\\
\belowspace
vote/c4.5 & ${4.55}$ & ${22.99}$ & ${4.55}$ & ${30.40}$ & $\mathbf{2.05}$ & $\mathbf{13.95}$ & ${2.95}$ & ${25.49}$ & NA & NA\\
\hline

\end{tabular}
