我有两个通过 R 中的 stargazer 包创建的描述统计表。
表格1：
\documentclass{article}
\begin{document}
% Table created by stargazer v.5.2.3 by Marek Hlavac, Social Policy Institute. E-mail: marek.hlavac at gmail.com
% Date and time: Jeu, oct 20, 2022 - 19:57:12
\begin{table}[!htbp] \centering
\label{}
\begin{threeparttable}
\begin{tabular}{@{\extracolsep{5pt}}lccc}
\\[-1.8ex]\hline
\hline \\[-1.8ex]
Statistic & \multicolumn{1}{c}{N} & \multicolumn{1}{c}{Mean} & \multicolumn{1}{c}{St. Dev.} \\
& \multicolumn{3}{c}{Growing season} \\
\hline \\[-1.8ex]
Violence & 83,412 & 0.090 & 0.287 \\
Battles & 83,412 & 0.047 & 0.212 \\
SocialUnrest & 83,412 & 0.070 & 0.256 \\
SPEIshock & 177,304 & 0.220 & 0.208 \\
VCIshock & 154,266 & 0.317 & 0.315 \\
TCIshock & 150,937 & 0.353 & 0.315 \\
\ \ \ {\emph{Agroecological Zones:}}\\
Tropics, highland & 178,740 & 0.423 & 0.494 \\
Tropics\_ lowland & 178,740 & 0.331 & 0.470 \\
Subtropics, warm & 178,740 & 0.425 & 0.494 \\
Subtropics, moderately cool & 178,740 & 0.026 & 0.159 \\
Subtropics, cool & 178,740 & 0.015 & 0.121 \\
Cold, no permafrost & 178,740 & 0.012 & 0.111 \\
Extreme soil conditions & 178,740 & 0.241 & 0.428 \\
Dominantly builtup land & 178,740 & 0.009 & 0.095 \\
Dominantly hydromorphic soils & 178,740 & 0.083 & 0.275 \\
Dominantly water & 178,740 & 0.040 & 0.197 \\
Desert, Arid Climate & 178,740 & 0.109 & 0.312 \\
\ \ \ {\emph{Farming systems:}}\\
Perennial mixed & 178,530 & 0.015 & 0.121 \\
Fish based & 178,530 & 0.098 & 0.297 \\
Pastoral & 178,530 & 0.185 & 0.389 \\
Maize mixed & 178,530 & 0.256 & 0.436 \\
Agropastoral & 178,530 & 0.296 & 0.457 \\
Highland mixed & 178,530 & 0.042 & 0.200 \\
Arid pastoral oasis & 178,530 & 0.026 & 0.160 \\
Humid lowland tree crop & 178,530 & 0.050 & 0.218 \\
Root and tuber crop & 178,530 & 0.158 & 0.365 \\
Highland perennial & 178,530 & 0.039 & 0.194 \\
Forest based & 178,530 & 0.056 & 0.231 \\
Cereal root crop mixed & 178,530 & 0.138 & 0.345 \\
\hline \\[-1.8ex]
\end{tabular}
\begin{tablenotes}\footnotesize
\small
Notes: Each observation is a cell/year binary variable.
\end{tablenotes}
\end{threeparttable}
\end{table}
表 2：
% Table created by stargazer v.5.2.3 by Marek Hlavac, Social Policy Institute. E-mail: marek.hlavac at gmail.com
% Date and time: Jeu, oct 20, 2022 - 20:18:57
\begin{table}[!htbp] \centering
\caption{Non-growing season}
\label{}
\begin{tabular}{@{\extracolsep{5pt}}lccc}
\\[-1.8ex]\hline
\hline \\[-1.8ex]
Statistic & \multicolumn{1}{c}{N} & \multicolumn{1}{c}{Mean} & \multicolumn{1}{c}{St. Dev.} \\
& \multicolumn{3}{c}{Non-growing season} \\
\hline \\[-1.8ex]
Violence & 72,660 & 0.086 & 0.281 \\
Battles & 72,660 & 0.045 & 0.207 \\
SocialUnrest & 72,660 & 0.066 & 0.248 \\
SPEIshock & 153,911 & 0.230 & 0.203 \\
VCIshock & 137,301 & 0.378 & 0.356 \\
TCIshock & 132,653 & 0.370 & 0.339 \\
\ \ \ {\emph{Agroecological Zones:}}\\
Tropics, highland & 155,700 & 0.446 & 0.497 \\
Tropics, lowland & 155,700 & 0.279 & 0.449 \\
Subtropics\_warm\_Bi & 155,700 & 0.446 & 0.497 \\
Subtropics, moderately cool & 155,700 & 0.018 & 0.132 \\
Subtropics, cool & 155,700 & 0.011 & 0.102 \\
Cold, no permafrost & 155,700 & 0.010 & 0.101 \\
Extreme soil conditions & 155,700 & 0.231 & 0.422 \\
Dominantly builtup land & 155,700 & 0.008 & 0.086 \\
Dominantly hydromorphic soils & 155,700 & 0.090 & 0.286 \\
Dominantly water & 155,700 & 0.034 & 0.181 \\
Desert, Arid Climate & 155,700 & 0.106 & 0.308 \\
\ \ \ {\emph{Farming systems:}}\\
Perennial mixed & 155,550 & 0.008 & 0.092 \\
Fish based & 155,550 & 0.073 & 0.261 \\
Pastoral & 155,550 & 0.190 & 0.392 \\
Maize mixed & 155,550 & 0.270 & 0.444 \\
Agropastoral & 155,550 & 0.318 & 0.466 \\
Highland mixed & 155,550 & 0.046 & 0.210 \\
Arid pastoral oasis & 155,550 & 0.026 & 0.158 \\
Humid lowland tree crop & 155,550 & 0.020 & 0.141 \\
Root and tuber crop & 155,550 & 0.157 & 0.364 \\
Highland perennial & 155,550 & 0.034 & 0.180 \\
Forest based & 155,550 & 0.047 & 0.212 \\
Cereal root crop mixed & 155,550 & 0.145 & 0.353 \\
\hline \\[-1.8ex]
\end{tabular}
\end{table}
\end{document}
有没有办法将表 2 中的列添加到表 1 中，如下图所示（我手动完成的）。
