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. 2018 Jan 10;13(1):e0189865. doi: 10.1371/journal.pone.0189865

Fig 4. Regressions between actual and estimated mass for the three methods discussed: The equations calculated from de Bruyn et al.

Fig 4

[32] (“correction equation”, left panel, p<0.0001), the above-ground estimation (“silhouette slice”, middle panel, p<0.0001), and the truncated cones method (“elliptical cones”, right panel, p<0.0001). Black dashed lines show the 1:1 relationship between estimated and actual mass, whereas colored solid lines show the regression for each method. Horizontal lines show the offsets between data points and the 1:1 line.