Intricate latex table

table.pdf

table.tex

\documentclass[12pt]{article}
\usepackage[utf8]{inputenc}

\usepackage{multirow}
\usepackage{array}
\newcolumntype{L}[1]{>{\raggedright\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
\newcolumntype{C}[1]{>{\centering\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
\newcolumntype{R}[1]{>{\raggedleft\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}



\begin{document}

Some fancy-ass latex table:

\bigskip

\begin{center}
  \begin{tabular}{ c c | C{1cm} r | l C{1cm} | }
    \multicolumn{2}{ c }{}                  & \multicolumn{4}{ c }{X}                                \\
    \multicolumn{2}{ c }{}                  & \multicolumn{2}{ c }{PI}   & \multicolumn{2}{ c }{HH}  \\ \cline{3-6}
                       & \multirow{3}{*}{-} &                        &   &   &                       \\
    \multirow{4}{*}{Y} &                    & \multicolumn{2}{ c| }{I}   & \multicolumn{2}{ c| }{II} \\
                       &                    &                        & a & b &                       \\ \cline{3-6}
                       & \multirow{3}{*}{+} &                        & c & d &                       \\
                       &                    & \multicolumn{2}{ c| }{III} & \multicolumn{2}{ c| }{IV} \\
                       &                    &                        &   &   &                       \\ \cline{3-6}
  \end{tabular}
\end{center}

\end{document}