\begin{tabular}{|rr|r@{~}r@{~}l}\cline{1-2}
          method &  median &  &  & \\\cline{1-2}
   logNums.nb &    52.4 & -100\% & \boxplot{0}{50}{76}{91}{8}&100\%\\
      none.nb &     0.0 & -100\% & \boxplot{0}{50}{50}{72}{27}&100\%\\
     none.j48 &     0.0 & -100\% & \boxplot{0}{42}{50}{61}{38}&100\%\\
  logNums.j48 &     0.0 & -100\% & \boxplot{0}{41}{50}{60}{39}&100\%\\
    none.oneR &   -16.7 & -100\% & \boxplot{0}{20}{41}{50}{0}&100\%\\
 logNums.oneR &   -16.7 & -100\% & \boxplot{0}{20}{41}{50}{0}&100\%\\
\cline{1-2}\end{tabular}