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\usepackage{subfigure}
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\begin{document}

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\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{albrecht.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{albrecht-reduced.png}}\\
  \caption{Albrecht and Albrecht-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81-reduced.png}}\\
  \caption{Cocomo81 and Cocomo81-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81e.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81e-reduced.png}}\\
  \caption{Cocomo81e and Cocomo81e-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81o.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81o-reduced.png}}\\
  \caption{Cocomo81o and Cocomo81o-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81s.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81s-reduced.png}}\\
  \caption{Cocomo81s and Cocomo81s-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81s.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{cocomo81s-reduced.png}}\\
  \caption{Cocomo81s and Cocomo81s-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{desharnais.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{desharnais-reduced.png}}\\
  \caption{Desharnais and Desharnais-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{desharnaisL1.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{desharnaisL1-reduced.png}}\\
  \caption{DesharnaisL1 and DesharnaisL1-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{desharnaisL2.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{desharnaisL2-reduced.png}}\\
  \caption{DesharnaisL2 and DesharnaisL2-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{desharnaisL3.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{desharnaisL3-reduced.png}}\\
  \caption{DesharnaisL3 and DesharnaisL3-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{nasa93.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{nasa93-reduced.png}}\\
  \caption{Nasa93 and Nasa93-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{nasa93_center_1.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{nasa93_center_1-reduced.png}}\\
  \caption{Nasa93Center1 and Nasa93Center1-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{nasa93_center_2.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{nasa93_center_2-reduced.png}}\\
  \caption{Nasa93Center2 and Nasa93Center2-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{nasa93_center_5.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{nasa93_center_5-reduced.png}}\\
  \caption{Nasa93Center3 and Nasa93Center3-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{finnish.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{finnish-reduced.png}}\\
  \caption{Finnish and Finnish-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}
\end{document}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{kemerer.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{kemerer-reduced.png}}\\
  \caption{Kemerer and Kemerer-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}
\end{document}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{maxwell.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{maxwell-reduced.png}}\\
  \caption{Maxwell and Maxwell-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}
\end{document}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{finnish.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{finnish_reduced.png}}\\
  \caption{Kemerer and Kemerer-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}
\end{document}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{miyazaki94.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{miyazaki94-reduced.png}}\\
  \caption{Miyazaki94 and Miyazaki94-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}
\end{document}

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\newpage
\begin{figure}[ht!]
  \centering
  \subfigure[Actual dataset results]{\includegraphics[width=1.2\textwidth]{telecom1.png}}                
  \subfigure[Reduced dataset results]{\includegraphics[width=1.2\textwidth]{telecom1-reduced.png}}\\
  \caption{Telecom1 and Telecom1-reduced subject to various pre-processor and algorithm combinations, which are evaluated according to MRE values.}
  \label{fig:datasets}
\end{figure}
\end{document}