Fig. 4
From: A multilevel carbon and water footprint dataset of food commodities
Kernel (Gaussian, bandwidth 0.0433) density estimate (a) and box-plot (b) of potato CF data. Kernel (Gaussian, bandwidth 0.3325) density estimate (c) and box-plot (d) of maize CF data. Empirical distribution for CF data of potato and maize as reported in studies listed in Level 1 of the database (data analysis done with STATA 14.2).
