\begin{figure}[!t]
\scriptsize
\begin{center}
\begin{tabular}{|l|r|r|r|p{0.95cm}|}\cline{2-4}
\multicolumn{1}{c}{}     & \multicolumn{3}{|c|}{av.  number of features} \\\hline    
dataset         &before &after &$\frac{after}{before}\%$ &accuracy change\\\hline    
breast cancer &10  &2.9 &29\% &+0.14\%   \\\hline    
cleve           &13  &2.6 &2\%  &+5.89\%   \\\hline 
   crx             &15  &2.9 &19\% &+4.49\%   \\\hline  
  DNA             &180 &11  &6\% &+3.63\% \\\hline    
horse-colic     &22  &2.8 &13\% &+1.63\%   \\\hline
 Pima            &8   &1   &13\% &+0.79\%   \\\hline   
 sick-euthyroid &25  &4   &16\% &+0.38\%   \\\hline    
soybean         &35  &12.7 &36\% &+0.15\%  \\\hline\hline    
average         &38.5&4.99 &19\% &+2.14\% \\\hline
\end{tabular}
\end{center}
\caption{Feature subset selection results from~\cite{kohavi97}}\label{fig:fssr}
\end{figure}