Semi-supervised classification of stars, galaxies and quasars using K-means and random-forest approaches

Open Access

Table 1

Three-class confusion matrix.

	Predicted
Actual	Class 1	Class 2	Class 3
Class 1	TP₁	FP_1,2	FP_1,3
Class 2	FP_2,1	TP₂	FP_2,3
Class 3	FP_3,1	FP_3,2	TP₃

Notes. Rows represent actual classes, and columns represent predicted classes. TP_i denotes true positives for class i, and FP_i,j denotes false positives where class i is predicted as class j.

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