File:5.5.5-fig90.png
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Two examples of the difference between random and fixed orientation grids. Left: squares of different side lengths (abscissa) are sampled with grid of unit size. Right: a forest map is sampled with random and fixed orientation grids of different width where the grid width is expressed as number of hits.
Reference:
Kleinn C. 1991. Der Fehler von Flächenschätzungen mit Punkterastern und linienförmigen Stichprobenelementen. Dissertation. Mitteilungen der Abteilung für Forstliche Biometrie 91 1, Universität Freiburg, 128 S.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:07, 22 December 2010 | | 526 × 203 (314 KB) | Aspange (Talk | contribs) | Two examples of the difference between random and fixed orientation grids. Left: squares of different side lengths (abscissa) are sampled with grid of unit size. Right: a forest map is sampled with random and fixed orientation grids of different width whe |
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