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Table 3 Confusion matrix (error matrix) for the 2017 classification map

From: Land use and forest cover dynamics in the North-eastern Addis Ababa, central highlands of Ethiopia

  Reference data 2017   
BL AL FR ST WB Row total UAC (%)
Classified data
 BL 58 1 0 1 0 60 96.7
 AL 1 59 1 0 0 61 96.7
 FR 0 0 59 0 0 59 100.0
 ST 1 0 0 59 0 60 98.3
 WB 0 0 0 0 60 60 100
Column total 60 60 60 60 60 300  
PAC (%) 96.7 98.3 98.3 98.3 100 OAC = 98.3%
       ḱ = 0.98
  1. Diagonal elements in italics indicates LULC classes are classified correctly. 300 sample reference points were collected from Google earth images of 2017 and this has also supported by field visit