\begin{figure}[!t]
\center{

{\small
\begin{tabular}{rr|rccc|l}\cline{3-6}
&    &      & \multicolumn{3}{c|}{Occurrence of algorithms in bands a, b, c}\\
&    &      & band \textbf{a}& band \textbf{b}& band \textbf{c} &    \\\cline{3-6}
&    &  $y=$    & 1..13& 14..64& 65..90&    \\\cline{3-6}
\multirow{9}{1mm}{\begin{sideways}\parbox{10mm}{Learners}\end{sideways}}	&    &       CART (yes)& 34& 28& 1 \\
&    &      CART (no)& 33& 28& 2    \\
&&      {\G}      ABE0-5NN & {\G} 6  & {\G} 55 & {\G}2 &  \\
                    &&   {\G}       ABE0-1NN & {\G} 11 & {\G} 44    &{\G} 8\\
       &              &      {\G}   PCR &  {\G} 3 & {\G} 29 & {\G} 31  &\\
        &              &     {\G}   PLSR & {\G} 3  & {\G}  35 & {\G} 25 &\\
                     &  &     LReg&  & 22 & 41 &  \\
       &  &    SWR& & 46  & 17 &\\
                      &   &   NNet& & 20& 43 &\\\cline{3-6}

\multirow{10}{1mm}{\begin{sideways}\parbox{10mm}{Pre-Processors}\end{sideways}}	      &          & SWR& 25 & 37 & 1\\
&&  SFS&  14&  49 &  &\\
&&  none &  14 & 48 & 1 \\
         && {\G} log& {\G} 20 & {\G} 17 & {\G} 26 &\\
        && {\G}   norm& {\G} 14& {\G} 33 & {\G} 16&\\
	   && {\G} PCA& {\G} 4 & {\G} 49 & {\G} 10& \\
     && freq5bin& & 28 & 35 &\\
&& width3bin& & 31 & 32 & \\
    &&  width5bin&  & 42 & 21& \\
    && freq3bin& &  23 & 40 & \\
\cline{3-6}
\end{tabular}
}

\caption{Frequency counts over 7 error measures for preprocessor and learners in the three bands of \fig{rank_changes}.
}\label{fig:freq_method}

}
\end{figure}
