\begin{tabular}{lrrrr}
\toprule
 & True & Estimated & Std Err & t-Stat \\
\midrule
0 & 3.000000 & 3.107269 & 0.320425 & 9.697336 \\
1 & -4.000000 & -4.067205 & 0.100288 & -40.555170 \\
2 & 2.000000 & 1.985469 & 0.020038 & 99.084266 \\
\bottomrule
\end{tabular}