\begin{table}%T2
%\centering
\small
\caption{Correlation coefficients between the band intensities and the $H$-index in 
the network and inter-network using the band sample.}\label{t2}
\begin{tabular}{c c c}\hline\hline 
parameter          &  network   & inter-network \\ \hline 
$H_3$              & 0.88 & 0.90 \\%\hline
$H_{2{\rm v}}$  & 0.92 & 0.94 \\%\hline
$H_{2{\rm r}}$  & 0.88 & 0.93 \\%\hline
$W3$                 & 0.77 & 0.68 \\%\hline
$W2$                 & 0.73 & 0.53 \\%\hline
$W1$                 & 0.58 & 0.36 \\\hline
\end{tabular} 
\end{table}