\begin{table}
%\caption{Nonlinear Model Results} \label{table:1} %\centering
\par
%\begin{tabular}{c c c c l l l }     % 7 columns
%\hline\hline
%                      % To combine 4 columns into a single one
%HJD & $E$ & Method\#2 & \multicolumn{4}{c}{Method\#3}\\
%\hline
%   1 & 50 & $-837$ & 970 & 65 & 67 & 78\\
%   2 & 47 & 877    & 230 & 567& 55 & 78\\
%   3 & 31 & 25     & 415 & 567& 55 & 78\\
%   4 & 35 & 144    & 2356& 567& 55 & 78 \\
%   5 & 45 & 300    & 556 & 567& 55 & 78\\
%\hline
%\end{tabular}
%\end{table}