Table 3.

Multi class Confusion matrix.

		Prediction
		${\mathit{Class}}_{\mathbf{1}}$	${\mathit{Class}}_{\mathbf{2}}$	${\mathit{Class}}_{\mathit{k}}$	${\mathit{Class}}_{\mathit{n}}$
Target	$Clas{s}_1$	$D_{11}$	$D_{12}$	$D_{1k}$	$D_{1n}$
	$Clas{s}_2$	$D_{21}$	$D_{22}$	$D_{2k}$	$D_{2n}$
	$Clas{s}_k$	$D_{k1}$	$D_{k2}$	$D_{kk}$	$D_{kn}$
	−	−	−	−	−
	$Clas{s}_n$	$D_{n1}$	$D_{n2}$	$D_{n3}$	$D_{nn}$