\begin{tabular}{lrrrr}
\toprule
 & True & Estimated & Std Err & t-Stat \\
\midrule
0 & 3.000000 & 3.062084 & 0.164930 & 18.565919 \\
1 & -4.000000 & -4.006083 & 0.020178 & -198.535392 \\
2 & 2.000000 & 1.974439 & 0.024519 & 80.526341 \\
\bottomrule
\end{tabular}