插入表格:
\begin{table}[ht]
\begin{center}
\begin{tabular}{rrrrrr}
\multicolumn{ 6}{c}{{\bf The dataset for toy simulation}} \\
\hline
& {\bf v1} & {\bf V1} & {\bf V2} & {\bf V3} & {\bf y} \\
\hline
1 & -1.33 & -1.33 & 0.03 & -0.33 & 1.02 \\
2 & 1.02 & 1.02 & 0.62 & 0.2 & 1.51 \\
3 & 0.76 & 0.76 & 0.14 & 1.79 & 0.97 \\
4 & 0.37 & 0.37 & -0.76 & -0.9 & -0.72 \\
5 & 0.36 & 0.36 & -1.24 & 0.12 & 0.92 \\
6 & -0.71 & -0.71 & -0.26 & -0.8 & -2.25 \\
7 & -0.11 & -0.11 & 1.11 & -2.1 & 0.05 \\
8 & -0.08 & -0.08 & 0.08 & -0.59 & -0.64 \\
9 & 1 & 1.03 & -1.6 & 0.08 & -0.01 \\
\hline
\end{tabular}
\end{center}
\end{table}
\begin{table}[ht]
\begin{center}
\begin{tabular}{rrrrrr}
\multicolumn{ 6}{c}{{\bf The dataset for toy simulation}} \\
\hline
& {\bf v1} & {\bf V1} & {\bf V2} & {\bf V3} & {\bf y} \\
\hline
1 & -1.33 & -1.33 & 0.03 & -0.33 & 1.02 \\
2 & 1.02 & 1.02 & 0.62 & 0.2 & 1.51 \\
3 & 0.76 & 0.76 & 0.14 & 1.79 & 0.97 \\
4 & 0.37 & 0.37 & -0.76 & -0.9 & -0.72 \\
5 & 0.36 & 0.36 & -1.24 & 0.12 & 0.92 \\
6 & -0.71 & -0.71 & -0.26 & -0.8 & -2.25 \\
7 & -0.11 & -0.11 & 1.11 & -2.1 & 0.05 \\
8 & -0.08 & -0.08 & 0.08 & -0.59 & -0.64 \\
9 & 1 & 1.03 & -1.6 & 0.08 & -0.01 \\
\hline
\end{tabular}
\end{center}
\end{table}