\begin{table}[htbp]
\centering\scriptsize
\caption{Task B — MAE (×100) by class, horizon 3}\label{tab:het_b_class}
\begin{threeparttable}
\begin{tabular}{lrrr}
\toprule
Model & condo & house & plex \\
\midrule
No change & 2.70 & 5.21 & 4.64 \\
Mean growth & 2.50 & 5.16 & 4.31 \\
Momentum & 2.81 & 5.20 & 4.68 \\
Random walk with drift & 2.76 & 5.31 & 4.62 \\
Seasonal naive & 3.01 & 5.09 & 4.77 \\
AR(2), cell & 2.58 & 4.79 & 3.90 \\
Local linear trend & 3.85 & 8.81 & 6.70 \\
Ridge (panel) & 3.11 & 3.69 & 3.75 \\
LightGBM (panel) & 2.24 & 3.56 & 3.67 \\
MLP (panel) & 2.82 & 4.24 & 4.35 \\
LSTM & 2.75 & 4.36 & 4.52 \\
GRU & 2.60 & 4.08 & 4.31 \\
TCN & 2.78 & 4.19 & 4.46 \\
TFT-lite & 2.80 & 4.59 & 4.98 \\
BHPF & 3.07 & 3.70 & 3.94 \\
RAREF & 3.13 & 3.84 & 3.76 \\
QANSS & 2.39 & 4.04 & 4.00 \\
DSGFN & 2.61 & 4.30 & 4.13 \\
QREFA & 2.58 & 3.86 & 3.81 \\
\bottomrule
\end{tabular}
\end{threeparttable}
\end{table}