Unstandardized Choropleth Maps

http://www.ij-healthgeographics.com/content/3/1/18/figure/F6
Unstandardized choropleth maps are thematic maps that display data sets as raw numbers. The data are represented by their original value, instead of being averaged. They do not use data based on percentages. Choropleth map of the empirical Bayesian smoothed period prevalences from 43 regions in Lower Saxony. Cut points of the grey scale shading are the 5%, 50% and 95% quantiles of the empirical distribution.