Walnut Canyon National Monument: Accuracy Assessment Matrix

		Reference Data (Field Data for Accuracy Assessment Class)																									Total	Commission Error	90% Confidence Intervals
	Map Code	Other*¹	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	N	(% Correct)	-	+
Sample Data (Map Classes)	1	1	16										1														17	94.1	71.4	21.5	16.0
	2			4																							4	100.0	59.7	100	4.0
	3				0	1						1															2	N/A	N/A	N/A	0
	4					27			1				2														30	90.0	77.4	95.9	27
	5					1	5																				6	83.3	49.8	96.2	5.0
	6							1	1																		2	50.0	12.1	87.9	1.0
	7					8			4	6			1														19	21.1	9.8	39.5	4.0
	8	1				3	2		4	13	1	2	1		1												26	50.0	31.9	61.6	13.0
	9										16		4		4	2	1										28	57.1	43.6	73.2	16.0
	10		1						2			26															27	96.3	76.7	95.8	26.0
	11					2			1		1		24		1		1										30	80.0	65.7	89.3	24.0
	12											1		22			3										26	84.6	69.8	92.9	22.0
	13					2				1		1	5		19		2										29	65.5	50.2	78.1	19.0
	14					1					2	3	7			5		1									19	26.3	13.4	45.1	5.0
	15	1				1						1	2	2	3		18	2									29	62.1	45.1	73.3	18.0
	16					1					1		3			1		22									26	84.6	63.6	88.5	22.0
	17																		0							1	1	N/A	N/A	N/A	0.0
	18																			1							1	100.0	27	100	1.0
	19																				3						3	100.0	52.6	100	3.0
	20																					3					3	100.0	52.6	100	3.0
	21					1																	6				7	85.7	54.7	96.7	6.0
	22					3				1														1			5	20.0	45.6	65.5	1.0
	23																								0		0	N/A	N/A	N/A	0.0
	24												1													4	5	80.0	43.5	95.4	4.0
Total	N	3	17	4	0	51	7	1	13	21	21	35	51	24	28	8	25	25	0	1	3	3	6	1	0	5	Total Sampling Points: 347*²
Omission Error�	(% Correct)	N/A	94.1	100.0	N/A	52.9	71.4	100.0	30.8	61.9	76.2	74.3	47.1	91.7	67.9	62.5	72.0	88.0	N/A	100.0	100.0	100.0	100.0	100.0	N/A	80.0	Total Correct: 240�� Overall Accuracy: 69.2%
90% Confidence Intervals	-	N/A	77.4	59.7	N/A	41.6	40.9	27.0	14.6	44.1	58.5	60.7	36.0	77.7	52.3	34.8	55.7	73.5	N/A	27.0	52.6	52.6	68.9	27.0	N/A	43.5	Kappa Index: 66.7%
90% Confidence Intervals	+	N/A	98.7	100.0	N/A	64.0	90.0	100.0	53.5	77.0	87.9	84.4	58.4	97.2	80.2	83.9	84.0	95.1	N/A	100.0	100.0	100.0	100.0	100.0	N/A	95.4	90% Confidence Interval:� 64.1-%, 71.8+%
*¹Other was recorded in cases where none of the map labels available adequately described the vegetation
*² Total Sampling Points excludes undescribed, land cover, and land use classes (map classes other, 3, 17, and 23) that do not validate the Kappa statistic assumption
			16.0	4.0	0	27	5.0	1.0	4.0	13.0	16.0	26.0	24.0	22.0	19.0	5.0	18.0	22.0	0.0	1.0	3.0	3.0	6.0	1.0	0.0	4.0

			1		Sparsely Vegetated Coconino Sandstone												13		Ponderosa Pine - Pinyon Pine - Juniper / Gambel Oak Woodland
			2		Sparsely Vegetated Kaibab Limestone												14		Ponderosa Pine / Gambel Oak Woodland
			3		Sparsely Vegetated Intermittent Drainage Channel												15		Ponderosa Pine / Mixed Graminoid Woodland Complex
			4		Blue Grama - Mountain Muhly Grassland Group												16		Douglas-fir / Gambel Oak Forest
			5		Introduced Western Wheatgrass Grassland												17		Rural Resident
			6		Common Horehound - Prairie Dog Town												18		Ranch Developments
			7		Snakeweed / Modified Grassland Complex												19		NPS Facilities
			8		Rabbitbrush / Blue Grama Shrub Herbaceous Vegetation												20		Utility Corridors
			9		Limestone Rim Complex												21		Transportation Routes
			10		Canyon Floor Complex												22		Pastures
			11		Pinyon Pine � Utah Juniper / Blue Grama Woodland												23		Reservoirs
			12		Ponderosa Pine - Pinyon Pine � Juniper / Blue Grama Woodland												24		Stock Tanks and Dams