\begin{table}%T4
\caption{\label{tab4}Result of classification by SVM.}
%\centering
\par
\begin{tabular}{rllllll}
\hline
\hline
&2D space&&5D space&&10D space\\
\hline
Classified$\downarrow$known$\to$& AGNs &S\&G& AGNs &S\&G& AGNs &S\&G\\
\hline
        AGNs &150&1&782&7&818&37\\
        S\&G &678&1945&46&1939&10&1909\\
\hline
               Accuracy&18.12\%&99.95\%&94.44\%&99.64\% & 98.79\%  & 98.10\% \\
\hline
Total accuracy&75.52\% &&98.09\% &&98.31\%\\
\hline
\end{tabular}
\end{table}