\documentclass[journal]{IEEEtran}
\usepackage{multirow}
\usepackage{float}
\usepackage{tabularx}
\usepackage{array}
\begin{document}
To identify Multiple non-interacting bad data, the errors are unequal. Multiple bad data attack is in the reactive power injection of buses 12 and 14, and according to, the bus 14 is in critical measurement. Changes in values based on the type of error are shown in Table.1.
\begin{table}[!h]
  \centering
  \caption{Values in the wrong measurement}
 \begin{tabularx}{\columnwidth}{|c|XXXX|}
  \hline
  % after \\: \hline or \cline{col1-col2} \cline{col3-col4} ...
\multirow{4}{*}{Location}& \multicolumn{4}{c|}{Wrong measurement} \\
 \cline{2-5}
 &  \multicolumn{1}{c|}{True}  &  \multicolumn{1}{c|}{False}  &  \multicolumn{1}{c|}{True}  &  \multicolumn{1}{c|}{False}  \\
 & \multicolumn{1}{c|}{measurement}  & \multicolumn{1}{c|}{measurement}  & \multicolumn{1}{c|}{measurement}  & \multicolumn{1}{c|}{measurement}  \\
  &  \multicolumn{1}{c|}{(p.u)}  & \multicolumn{1}{c|}{(p.u)} & \multicolumn{1}{c|}{(p.u)}  & \multicolumn{1}{c|}{(p.u)}  \\
  \hline
   \multicolumn{1}{|c|}{Bus 12} & \multicolumn{1}{c|}{---} & \multicolumn{1}{c|}{---} & \multicolumn{1}{c|}{-0.016} & \multicolumn{1}{c|}{-0.16} \\
   \hline
   \multicolumn{1}{|c|}{Bus 14} &\multicolumn{1}{c|}{-0.05} & \multicolumn{1}{c|}{-0.2} & \multicolumn{1}{c|}{---} & \multicolumn{1}{c|}{---} \\
   \hline
\end{tabularx}
  \end{table}
  \end{document}