117. LaTeX技巧538：如何用LaTeX输入人工智能里的混合矩阵？

演示代码

\documentclass{article}
\usepackage{array}
\usepackage{multirow}
 
\newcommand\MyBox[2]{
 
  \fbox{\lower0.75cm
\vbox to 1.7cm{\vfil
  \hbox to 1.7cm{\hfil\parbox{1.4cm}{#1\\#2}\hfil}
  \vfil}%
 
  }%
}
 
\begin{document}
 
\noindent
\renewcommand\arraystretch{1.5}
\setlength\tabcolsep{0pt}
\begin{tabular}{c >{\bfseries}r @{\hspace{0.7em}}c @{\hspace{0.4em}}c @{\hspace{0.7em}}l}
 
  \multirow{10}{*}{\parbox{1.1cm}{\bfseries\raggedleft actual\\ value}} &
& \multicolumn{2}{c}{\bfseries Prediction outcome} & \\
 
  & & \bfseries p & \bfseries n & \bfseries total \\
 
  & p$'$ & \MyBox{True}{Positive} & \MyBox{False}{Negative} & P$'$ \\[2.4em]
 
  & n$'$ & \MyBox{False}{Positive} & \MyBox{True}{Negative} & N$'$ \\
 
  & total & P & N &
\end{tabular}
 
\end{document}

演示效果图

选自：http://tex.stackexchange.com/questions/20267/how-to-construct-a-confusion-matrix-in-latex