\begin{table}
\centering
\begin{tblr}[         %% tabularray outer open
]                     %% tabularray outer close
{                     %% tabularray inner open
colspec={Q[]Q[]Q[]Q[]},
column{2,3,4}={}{halign=c,},
column{1}={}{halign=l,},
hline{6}={1,2,3,4}{solid, black, 0.05em},
}                     %% tabularray inner close
\toprule
& (1) & (2) & (3) \\ \midrule %% TinyTableHeader
disp\_x & \num{-0.041} & \num{-0.018} & \num{-0.018} \\
& (\num{0.005}) & (\num{0.009}) & (\num{0.009}) \\
wt\_x &  & \num{-3.351} & \num{-3.279} \\
&  & (\num{1.164}) & (\num{1.328}) \\
Num.Obs. & \num{32} & \num{32} & \num{32} \\
R2 & \num{0.718} & \num{0.781} & \num{0.781} \\
R2 Adj. & \num{0.709} & \num{0.766} & \num{0.758} \\
AIC & \num{170.2} & \num{164.2} & \num{166.2} \\
BIC & \num{174.6} & \num{170.0} & \num{173.5} \\
Log.Lik. & \num{-82.105} & \num{-78.084} & \num{-78.076} \\
RMSE & \num{3.15} & \num{2.78} & \num{2.78} \\
\bottomrule
\end{tblr}
\end{table} 
