Table 4. Confusion matrices depicting the accuracy of coastal Texas land cover classification in 2010 and 1990.

2010	Ground
Classified	Salt Marsh	Mangrove	Wetland	Tidal Flat	Bare/ Fallow	Beach	Upland	Forest	Urban	Water	Total	User
Salt Marsh	89	0	3	8	0	0	0	0	0	0	100	89.00%
Mangrove	6	81	2	2	0	0	7	0	0	2	100	81.00%
Wetland	27	0	50	0	0	0	11	0	11	1	100	50.00%
Tidal Flat	1	0	0	80	7	5	0	0	7	0	100	80.00%
Bare/Fallow	3	0	0	3	86	1	4	0	3	0	100	86.00%
Beach	0	0	0	2	47	10	8	0	32	1	100	10.00%
Upland	8	0	3	1	0	0	87	0	1	0	100	87.00%
Forest	0	1	0	0	0	0	57	42	0	0	100	42.00%
Urban	0	0	0	10	13	3	4	0	68	2	100	68.00%
Water	0	0	0	0	0	0	0	0	0	100	100	100.00%
Total	134	82	58	106	153	19	178	42	122	106	1000
Producer	66.42%	98.78%	86.21%	75.47%	56.21%	52.63%	48.88%	100.00%	55.74%	94.34%
1990	Ground
Classified	Salt Marsh	Mangrove	Wetland	Tidal Flat	Bare/ Fallow	Beach	Upland	Forest	Urban	Water	Total	User
Salt Marsh	81	0	4	13	1	1	0	0	0	0	100	81.00%
Mangrove	5	85	0	5	0	1	0	0	1	3	100	85.00%
Wetland	21	1	45	1	8	0	22	0	0	2	100	45.00%
Tidal Flat	0	0	0	81	6	10	2	0	1	0	100	81.00%
Bare/Fallow	0	0	0	0	91	3	6	0	0	0	100	91.00%
Beach	1	0	0	1	12	79	0	0	7	0	100	79.00%
Upland	0	0	1	0	6	0	89	0	3	1	100	89.00%
Forest	0	0	4	0	1	0	49	46	0	0	100	46.00%
Urban	0	0	0	16	8	7	2	0	67	0	100	67.00%
Water	0	0	0	0	0	1	0	0	0	99	100	99.00%
Total	108	86	54	117	133	102	170	46	79	105	1000
Producer	75.00%	98.84%	83.33%	69.23%	68.42%	77.45%	52.35%	100.00%	84.81%	94.29%