\singlespacing
\begin{figure}[!t]
\begin{center}
\includegraphics[width=3.2in]{figures/nasa/flight-all/Energy.pdf} 
\includegraphics[width=3.2in]{figures/nasa/flight-all/Defects.pdf} 
\includegraphics[width=3.2in]{figures/nasa/flight-all/Effort.pdf} 
\includegraphics[width=3.2in]{figures/nasa/flight-all/Threat.pdf} 
\includegraphics[width=3.2in]{figures/nasa/flight-all/Months.pdf} 

{\scriptsize
\begin{tabular}{r|r@{~=~}l}
X& feature & range\\\hline
1&pmat & 3\\
2&rely & 5\\
3&ltex & 4\\
4&site & 6\\
5&team & 6\\
6&plex & 4\\
7&pcap & 5\\
8&pcon & 5\\
9&acap & 5\\
10&automated-analysis & 6\hey\\
11&stor & 3.5\\
12&resl & 6\\
13&data & 3\\
14&apex & 5\\
15&time & 4\\
16&stor & 4\\
17&flex & 6\\
18&time & 3.5\\
19&execution-testing-and-tools & 6\hey\\
20&ruse & 2.5\\
21&data & 2.5\\
22&prec & 6\\
\end{tabular}
}
\end{center}
\caption{Default analysis: flight results.}\label{fig:flightall}
\end{figure}
\doublespacing

