Jewel Cave National Monument: Accuracy Assessment Preliminary Matrix

Table 8. �Preliminary Contingency Table for Vegetation Accuracy Assessment
															COMMISSION�	CONFIDENCE�
															ERROR - %	INTERVAL
														TOTAL N	CORRECT
M	C		WW	GP	KB	KW	PB	PF	PJ	PN	PS	PW	WS			-	+
A	L��	WW	10	7	7	4	0	0	0	0	0	0	2	30	33.3	21.8	48.5
P	A	GP	0	2	2	1	0	0	0	0	0	0	0	5	40	11.2	79.8
P	S	KB	0	0	17	0	0	0	0	0	0	0	0	17	100	87.2	100
E	S	KW	0	0	0	1	0	0	0	0	0	0	0	1	100	10	100
D		PB	0	0	0	0	15	3	5	3	3	1	0	30	50	36.8	63.2
		PF	0	0	0	0	5	10	3	3	4	5	0	30	33.3	21.8	48.5
		PJ	0	0	0	0	2	1	20	4	0	1	0	28	71.4	57.2	81.3
		PN	0	0	0	0	2	3	3	19	2	1	0	30	63.3	48.7	75.2
		PS	0	0	0	0	14	3	0	2	11	0	0	30	36.7	24.8	51.3
		PW	0	0	0	0	9	3	1	3	8	6	0	30	20	10.8	36.7
		WS	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
		TOTAL N	10	9	26	6	47	23	32	34	28	14	2	231

OMMISSION ERROR
% CORRECT			100	22	65	17	32	44	63	56	39	43	0
90% CONFIDENCE INTERVAL
-			79.4	6.1	50	1.7	23	29	49	42	26	24	0
+			100	62	77	79	44	60	74	68	55	65	0
OVERALL KAPPA ACCURACY = 48.1%
OVERALL KAPPA INDEX = 41.4%
OVERALL TOATAL ACCURACY 90% LOWER & UPPER CONFIDENCE INTERVALS: 42.1%, 54.0%
(OMMISSION & COMMISSION ERRORS CALCULATED USING TOTAL ACCURACY, NOT KAPPA INDEX)

	Key to Map Class Codes

	WW	Western-wheat Grass - Blue Grama - Threadleaf Sedge Herbaceous Vegetation
	GP	Little Bluestem - Threadleaf Sedge Herbaceous Vegetation
	KB	Kentucky Bluegrass Disturbed Community
	KW	Kentucky Bluegrass / Snowberry Mosaic
	PB	Ponderosa Pine / Little Bluestem Woodland
	PF	Ponderosa Pine / Snowberry Forest
	PJ	Ponderosa Pine / Common Juniper Woodland
	PN	Ponderosa Pine / Ninebark Forest
	PS	Ponderosa Pine / Sunsedge Woodland
	PW	Ponderosa Pine / Bearberry Woodland
	WS	Western Snowberry Shrubland