Table 2.

Confusion matrix table for a four-class classification scheme.

True/Predicted	W	LS	DS	REM
W	$C_{11}$	$C_{12}$	$C_{13}$	$C_{14}$
LS	$C_{21}$	$C_{22}$	$C_{23}$	$C_{24}$
DS	$C_{31}$	$C_{32}$	$C_{33}$	$C_{34}$
REM	$C_{41}$	$C_{42}$	$C_{43}$	$C_{44}$