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. 2025 Dec 18;16:1685552. doi: 10.3389/fpls.2025.1685552

Figure 5.

Scatter plots A and B compare the Gini coefficients of the Gammaand Weibull distributions to the observed Gini coefficient. Plot A (purple circles) shows a linear equation of y = -0.015 + 1.105x with r-squared = 0.88. Plot B (brown triangles) shows y = 0.007 + 0.978x with r-squared = 0.91. Both have confidence intervals and sample size n = 121.

Linear fits to (A) the theoretical Gini coefficient of the Gamma distribution (GG) versus the observed Gini coefficient calculated using the polygon method (GP), and (B) the theoretical Gini coefficient of the Weibull distribution (GW) versus GP. For each panel, y represents GG in panel (A) or GW in panel (B), and x represents GP; the CIintercept is the 95% confidence interval of the intercept; the CIslope is the 95% confidence interval of the slope; r2 is the coefficient of determination; n is the sample size, i.e., the number of bamboo culms.