Multivariate map: Difference between revisions

Revision as of 09:04, 8 November 2020

Revision as of 17:49, 8 November 2020

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The first modern bivariate choropleth maps were published by the U.S. Census Bureau in the 1970s.<ref>{{cite journal |last1=Meyer |first1=Morton A. |last2=Broome |first2=Frederick R. |last3=Schweitzer |first3=Richard H. Jr. |title=Color Statistical Mapping by the U.S. Bureau of the Census |journal=The American Cartographer |date=1975 |volume=2 |issue=2 |pages=101-117 |doi=10.1559/152304075784313250}}</ref> Their often complex patterns of multiple colors has drawn acclaim and criticism ever since, but has also led to research to discover effective design techniques.<ref name="Olson1981">{{cite journal |last1=Olson |first1=Judy M. |title=Spectrally encoded two-variable maps |journal=Annals of the Association of American Geographers |date=1981 |volume=71 |issue=2 |pages=259-276}}</ref>.

InStarting recentin yearsthe 1980s, computer software, including the [[Geographic information system]] (GIS), has facilitated the design and production of multivariate maps.<ref>Dunn R., (1989). [https://www.jstor.org/stable/2685372 A dynamic approach to two-variable color mapping]. ''The American Statistician'', Vol. 43, No. 4, pp. 245–252</ref> In fact, a tool for automatically generating bivariate choropleth maps was introduced in [[Esri]]'s ArcGIS Pro in 2020.

==Methods==