\begin{figure}[!h]
\begin{center}
\begin{tabular}{|c|@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}@{\hspace{0.5mm}}c@{\hspace{0.5mm}}|@{\hspace{0.5mm}}l@{\hspace{0.5mm}}|}\hline
\multicolumn{16}{|c|}{BEST Set}\\\hline
row&
\emph{\begin{sideways}apex\end{sideways}}&
\emph{\begin{sideways}plex\end{sideways}}&
\emph{\begin{sideways}ltex\end{sideways}}&
\begin{sideways}pmat\end{sideways}&
\begin{sideways}rely\end{sideways}&
\begin{sideways}data\end{sideways}&
\begin{sideways}cplx\end{sideways}&
\begin{sideways}time\end{sideways}&
\begin{sideways}stor\end{sideways}&
\begin{sideways}pvol\end{sideways}&
\begin{sideways}acap\end{sideways}&
\begin{sideways}pcap\end{sideways}&
\begin{sideways}tool\end{sideways}&
\begin{sideways}sced\end{sideways}&
\begin{sideways}effort\end{sideways}\\\hline
56 & 3 & 2 & 2 & 3 & 4 & 3 & 5 & 5 & 5 & 4 & 3 & 3 & 3 & 3 & 12\\
08 & 5 & 3 & 2 & 3 & 3 & 2 & 4 & 3 & 3 & 2 & 4 & 3 & 3 & 3 & 36\\
57 & 3 & 2 & 2 & 3 & 4 & 3 & 5 & 5 & 5 & 4 & 3 & 3 & 3 & 3 & 38\\
22 & 3 & 3 & 3 & 3 & 4 & 3 & 4 & 3 & 3 & 3 & 3 & 3 & 3 & 3 & 42\\
25 & 3 & 3 & 3 & 3 & 3 & 3 & 4 & 3 & 3 & 3 & 3 & 3 & 3 & 3 & 42\\\hline
\multicolumn{16}{c}{}\\\hline
\multicolumn{16}{|c|}{REST Set}\\\hline
row&
\emph{\begin{sideways}apex\end{sideways}}&
\emph{\begin{sideways}plex\end{sideways}}&
\emph{\begin{sideways}ltex\end{sideways}}&
\begin{sideways}pmat\end{sideways}&
\begin{sideways}rely\end{sideways}&
\begin{sideways}data\end{sideways}&
\begin{sideways}cplx\end{sideways}&
\begin{sideways}time\end{sideways}&
\begin{sideways}stor\end{sideways}&
\begin{sideways}pvol\end{sideways}&
\begin{sideways}acap\end{sideways}&
\begin{sideways}pcap\end{sideways}&
\begin{sideways}tool\end{sideways}&
\begin{sideways}sced\end{sideways}&
\begin{sideways}effort\end{sideways}\\\hline
12 & 5 & 3 & 4 & 3 & 3 & 2 & 4 & 3 & 3 & 2 & 4 & 4 & 3 & 3 & 48\\
11 & 4 & 3 & 4 & 3 & 3 & 2 & 4 & 3 & 3 & 2 & 4 & 4 & 3 & 3 & 60\\
23 & 3 & 3 & 3 & 3 & 3 & 3 & 4 & 3 & 3 & 3 & 3 & 3 & 3 & 3 & 60\\
19 & 4 & 2 & 4 & 4 & 3 & 5 & 4 & 5 & 5 & 2 & 5 & 3 & 3 & 2 & 62\\
16 & 4 & 3 & 3 & 3 & 4 & 3 & 3 & 4 & 3 & 3 & 3 & 4 & 3 & 3 & 90\\
33 & 4 & 3 & 4 & 2 & 3 & 4 & 4 & 5 & 3 & 3 & 4 & 4 & 3 & 3 & 98.8\\
26 & 3 & 3 & 3 & 3 & 3 & 3 & 4 & 4 & 3 & 3 & 3 & 3 & 3 & 3 & 114\\
17 & 4 & 3 & 3 & 3 & 4 & 3 & 4 & 3 & 3 & 3 & 3 & 4 & 3 & 3 & 210\\
09 & 4 & 2 & 1 & 3 & 3 & 2 & 4 & 3 & 3 & 4 & 4 & 4 & 3 & 3 & 215\\
44 & 4 & 4 & 4 & 2 & 3 & 3 & 4 & 3 & 5 & 2 & 4 & 4 & 3 & 2 & 300\\
07 & 5 & 3 & 4 & 3 & 3 & 2 & 4 & 3 & 3 & 2 & 4 & 5 & 3 & 3 & 360\\
35 & 4 & 3 & 3 & 2 & 4 & 3 & 4 & 4 & 4 & 2 & 3 & 3 & 3 & 3 & 370\\
55 & 3 & 2 & 2 & 3 & 4 & 3 & 5 & 5 & 5 & 4 & 3 & 3 & 3 & 3 & 480\\
40 & 4 & 3 & 4 & 3 & 4 & 3 & 4 & 4 & 3 & 2 & 4 & 4 & 3 & 3 & 636\\
53 & 2 & 1 & 2 & 2 & 5 & 2 & 5 & 5 & 6 & 2 & 4 & 3 & 4 & 3 & 648\\\hline
\end{tabular}
\end{center}
\caption{The "Best" and "Rest" sets. Top 5 cases with the most desirable effort (lowest) are in Best while the remaining 15 are in Rest. }\label{fig:train-contrast}
\end{figure}