Environmental Systems Research

Table 2 Error matrix of sample counts constructed from the accuracy assessment sample points

From: Assessing the effectiveness of land resource management practices on erosion and vegetative cover using GIS and remote sensing techniques in Melaka watershed, Ethiopia

Classes	1	2	3	4	Total	Mapped area (ha)	Wi
2010
1	32	1	0	0	33	144.1	0.93
2	0	13	1	0	14	7.2	0.05
3	1	0	6	1	8	1.9	0.01
4	0	1	0	9	10	1.8	0.01
Total	33	15	7	10	65	155	1
2015
1	29	1	0	0	30	128.9	0.83
2	2	15	0	0	17	20.0	0.13
3	0	0	7	1	8	4.9	0.03
4	0	0	2	8	10	1.2	0.01
Total	31	16	9	9	65	155	1

Classes 1 cropland, 2 vegetation, 3 grassland, 4 settlement. Rows and columns represent map and reference categories respectively

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