\begin{tabular}{lrrrr}
\toprule
 & True & Estimated & Std Err & t-Stat \\
\midrule
0 & 3.000000 & 2.962797 & 0.117377 & 25.241713 \\
1 & -4.000000 & -4.018728 & 0.015964 & -251.729125 \\
2 & 2.000000 & 1.985917 & 0.020033 & 99.132074 \\
\bottomrule
\end{tabular}