多行合并单元格

Question

我正在尝试制作如下所示的带有所有水平线和垂直线的表格。请帮忙。

Answer 1

\begin{table}[htbp]
  \centering
  \caption{Add caption}
    \begin{tabular}{rr}
    \toprule
    title 1 & title 2 \\
    \midrule
    a     & \multicolumn{1}{c}{\multirow{2}[0]{*}{c}} \\
    b     & \multicolumn{1}{c}{} \\
    d     & \multicolumn{1}{c}{\multirow{2}[0]{*}{f}} \\
    e     & \multicolumn{1}{c}{} \\
    \bottomrule
    \end{tabular}%
  \label{tab:addlabel}%
\end{table}%