This example produces a choropleth (2D) map that shows the total number of hazardous waste sites in each state in 1997. Since the DISCRETE option is not used, the response variable is assumed to have ...

This research addresses questions about which colors allow accurate map reading and which colors map users prefer. Through the combination of a review of previous color research and an experiment ...

Choropleth maps of the anti-HCV (A), anti-HBc (B) and HBsAg (C) prevalence and absolute number of cases in Ukraine during June–July 2021.