求助大神啊！谢谢！

表格代码如下：

\begin{table*}[h]

% increase table row spacing, adjust to taste

\renewcommand{\arraystretch}{1.2}

\renewcommand{\thefootnote}{\alph{footnote}}

\caption{REULTS OF COMBINATIONS REPORTED 1,2,3 TIMES REMOVED IN VALIDATION SET}

\label{table4}

\begin{minipage} {0.5\textwidth}

%% The array package and the MDW tools package offers better commands

%% for making tables than plain LaTeX2e's tabular which is used here.

%\bigskip

\begin{center}

\begin{tabular}{|c|p{1in}|p{1n}|p{1in}|p{0.45n}|}

\hline

\multicolumn{1}{|c|}{The number of drug-ADE combinations to construct the PPNs in training set}& \multicolumn{1}{|c|}{The number of drug-ADE combinations in validation set}& \multicolumn{1}{|c|}{The number of drug-ADE combinations removed in validation set}& \multicolumn{1}{|c|}{AUROC of PPNs}\\

%&Regular & Bold & Italic\\

\hline

%\cline{1-2}

33947 & 21065 & 0 & 0.823\\

\cline{1-4}

33947&21065&6547&0.857\\

\cline{1-4}

33947&21065&6547+3430&0.875\\

\cline{1-4}

33947& 21065 &6547+3430+2200&0.885\\

\hline

\end{tabular}

\end{center}

\end{minipage}

\end{table*}

报错信息如下：