% Table data adapted from https://tex.stackexchange.com/a/767118
% Sebastiano; retrieved 2026-10-24; CC BY-SA 4.0.
% Layout rewritten using the gradbars starred collected-column interface.
\documentclass[a4paper,landscape,10pt]{article}
\usepackage[margin=1.2cm]{geometry}
\usepackage{gradbars,booktabs}
\gradbarscolumn*{G}{min=0,max=1,width=8mm,precision=3,
  theme=gray,height=3ex,font=\scriptsize}
\renewcommand{\arraystretch}{1.5}
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\begin{document}
\begin{center}
\begin{tabular}{@{}c*{8}{G}@{}}
\toprule
& \multicolumn{2}{c}{RDII} & \multicolumn{2}{c}{RMInf}
& \multicolumn{2}{c}{RCraw} & \multicolumn{2}{c}{RFind}\\
\cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7}\cmidrule(lr){8-9}
Ref. Type
& \gradbarshead{Precision} & \gradbarshead{Recall}
& \gradbarshead{Precision} & \gradbarshead{Recall}
& \gradbarshead{Precision} & \gradbarshead{Recall}
& \gradbarshead{Precision} & \gradbarshead{Recall}\\
\midrule
Rename Type       & 1.000 & 1.000 & 1.000 & 1.000 & 0.750 & 0.429 &       &       \\
Move Type         & 1.000 & 0.968 & 1.000 & 0.968 &       &       &       &       \\
Extract Superclass& 1.000 & 0.875 & 1.000 & 0.875 &       &       & 0.484 & 0.938 \\
Rename Method     & 1.000 & 0.943 & 1.000 & 0.886 & 0.971 & 0.486 & 0.868 & 0.843 \\
Pull Up Method    & 1.000 & 0.600 & 1.000 & 0.733 & 0.500 & 0.067 & 1.000 & 0.571 \\
Push Down Method  & 1.000 & 0.971 & 1.000 & 0.176 & 1.000 & 0.265 & 1.000 & 0.491 \\
Move Method       & 1.000 & 1.000 & 1.000 & 0.742 & 0.090 & 0.323 & 0.054 & 0.759 \\
Extract Method    & 1.000 & 0.897 & 1.000 & 0.862 &       &       & 0.607 & 0.586 \\
Inline Method     & 1.000 & 0.981 & 1.000 & 0.423 &       &       & 0.917 & 0.688 \\
Pull Up Field     & 1.000 & 0.576 & 1.000 & 0.970 &       &       & 1.000 & 0.394 \\
Push Down Field   & 1.000 & 0.929 & 1.000 & 0.929 &       &       & 1.000 & 0.333 \\
Move Field        & 1.000 & 0.269 & 0.583 & 0.808 &       &       & 0.097 & 0.923 \\
\bottomrule
\end{tabular}
\end{center}
\end{document}