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Table 4 Variances of each of CWL3/CWL1, CWL9/CWL1, and CWL27/CWL1 for closer source-sink pairs and the remaining source-sink pairs in the case of two barriers

From: On the effects of spatial resolution on effective distance measurement in digital landscapes

Cutoff distance (m) Accuracy indicator Variance
(< cutoff distance)
Variance
(≥ cutoff distance)
p value
50 CWL3/CWL1 0.00061 0.00053 0.315
CWL9/CWL1 0.06114 0.02004 < 0.001
CWL27/CWL1 0.06153 0.02693 < 0.001
100 CWL3/CWL1 0.00034 0.00054 0.019
CWL9/CWL1 0.01958 0.02051 0.430
CWL27/CWL1 0.02710 0.02728 0.510
200 CWL3/CWL1 0.00064 0.00050 0.011
CWL9/CWL1 0.03516 0.01680 < 0.001
CWL27/CWL1 0.03912 0.02436 < 0.001
300 CWL3/CWL1 0.00080 0.00038 < 0.001
CWL9/CWL1 0.03167 0.01402 < 0.001
CWL27/CWL1 0.03809 0.02110 < 0.001
400 CWL3/CWL1 0.00079 0.00020 < 0.001
CWL9/CWL1 0.02721 0.01191 < 0.001
CWL27/CWL1 0.03543 0.01695 < 0.001