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Thematic Accuracy Assessment Procedures. Version 2 - USGS

Thematic Accuracy Assessment Procedures. Version 2 - USGS

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Figures<br />

Page<br />

Figure 1. Work Flow of operational phases of an NPS Vegetation Inventory Project. .............. 13<br />

Figure 2. Relationship between Sample Size (N), Confidence Interval Width, and<br />

Confidence Level for two different values of the point estimate of accuracy ( pˆ ). ..................... 26<br />

Figures 3A-D. Examples of Providing Field Maps Suitable as Navigation Aids for <strong>Thematic</strong><br />

<strong>Accuracy</strong> <strong>Assessment</strong>, Thomas Stone National Historical Site (Maryland). ............................... 72<br />

Figures 4A-D. Examples of Providing Field Maps Suitable as Navigation Aids for <strong>Thematic</strong><br />

<strong>Accuracy</strong> <strong>Assessment</strong>, Joshua Tree National Park (California), <strong>USGS</strong> Conejo Wells 7.5<br />

minute quadrangle......................................................................................................................... 73<br />

Figures 5A-B. Examples of Providing Field Maps Suitable as Navigation Aids for <strong>Thematic</strong><br />

<strong>Accuracy</strong> <strong>Assessment</strong>, Joshua Tree National Park (California), <strong>USGS</strong> Yucca Valley 7.5<br />

minute quadrangle......................................................................................................................... 74<br />

vii

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