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. 2012 Dec 12;7(12):e50440. doi: 10.1371/journal.pone.0050440

Table 2. Correlation matrix for slope, PCA plane-fit rugosity and horizontal N-E plane rugosity for simulated terrain.

SLOPE RGSTY-PCA RGSTY-NE
SLOPE 1 0.43 0.91
RGSTY-PCA 0.43 1 0.52
RGSTY-NE 0.91 0.52 1

Results were computed with a resolution of Inline graphic with a window size of Inline graphic.