Jewel Cave National Monument: Accuracy Assessment Final Matrix

Table 9.� Final Contingency Table for Vegetation Accuracy Assessment
								COMMISSION	90% CONFIDENCE
	REFERENCE CLASS							ERROR - %�	INTERVAL
							TOTAL N	CORRECT	-	+
		BW	PT	GS	PP1	PP2
	BW	1	0	0	0	0	1	100	10	100
MAP	PT	0	2	0	0	0	2	100	31.6	100
CLASS	GS	0	0	53	0	0	53	100	95.7	100
	PP1	0	0	0	67	23	23	74	67.1	80
	PP2	0	0	0	22	66	88	75	67.7	80.7
TOTAL N		1	2	53	89	89	234

OMISSION ERROR
% COREECT		100	100	100	75.3	74.2

90% CONFIDENCE INTERVAL
-		10	31.6	95.7	68	66.7
+		100	100	100	80.9	80

OVERALL TOTAL ACCURACY = 80.8
OVERALL KAPPA INDEX = 70.8
OVERALL TOTAL ACCURACY 90% LOWER & UPPER CONFIDENCE INTERVALS 75.7%, 84.88%
(OMISSION & COMMISSION ERRORS CALCULATED USING TOTAL ACCURACY, NOT USING KAPPPA INDEX)

	Key to Map Class Codes

	BW	Ash Leaf Maple / Choke Cherry Forest
	PT	Quaking Aspen / Choke Cherry Forest
	GS	Grass / Shrubland Complex
	PP1	Ponderosa Pine Complex I
	PP2	Ponderosa Pine Complex II