\begin{table}%t6 \caption{\label{t4}As Table~\ref{t3} but for the test set.} %\centerline { \small \begin{tabular}{l | c c c c} \hline\hline Type & E & S & Im & QSFG \\ \hline E & 2033 & 274 & 0 & 0 \\ S & 215 & 8434 & 95 & 0 \\ Im & 0 & 91 & 1153 & 1 \\ QSFG & 3 & 1 & 9 & 11691\\ \hline \end{tabular}} \par \medskip {\small \textsc{note.} The confusion matrices for galaxies at $z=0$ and G = 18.5~mag. Columns indicate the true class and rows the predicted ones. The labels E, S, Im, and QSFG correspond to early-type, spiral, irregular, and quenched star-forming galaxies, respectively.} \end{table}