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  "Description": "Compositional data consisting of three-parts can be color\nmapped with a ternary color scale. Such a scale is provided by\nthe tricolore packages with options for discrete and continuous\ncolors, mean-centering and scaling. See Jonas Schöley (2021)\n\"The centered ternary balance scheme. A technique to visualize\nsurfaces of unbalanced three-part compositions\"\n<doi:10.4054/DemRes.2021.44.19>, Jonas Schöley, Frans Willekens\n(2017) \"Visualizing compositional data on the Lexis surface\"\n<doi:10.4054/DemRes.2017.36.21>, and Ilya Kashnitsky, Jonas\nSchöley (2018) \"Regional population structures at a glance\"\n<doi:10.1016/S0140-6736(18)31194-2>.",
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