choropleth

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choropleth

[′klȯr·ə‚pleth]
(mapping)
A map showing the distribution of a phenomenon, usually using various colors; color gradations are correlated to the density per unit area of the phenomenon.
References in periodicals archive ?
In addition to investigating the extent to which our augmented halftone technique could be used to create tactilely distinctive classes on choropleth maps, we investigated the number of different tactile classes the participants could distinguish.
With choropleth maps, the goal often is to use shades of color to show differences in the magnitudes of a variable, thereby displaying the geographic distribution of a phenomenon.
The maps designed for the study represented population distribution data using choropleth maps, which is a popular type of thematic map, and one that many people have encountered.
The choropleth maps of two-bedroom rents are visually straightforward.
For better contrast of the point analysis of the data set relative to the choropleth maps, the vacancy data points were overlaid on top of maps of vacancy for ZIP codes and census tracts (Figure 6).
The choropleth maps of rates and Local Indicators of Spatial Autocorrelation by period show a similar pattern to that of total mortality for all causes, except that mortality rates continue to diminish throughout the study time period (see Figure 3).
The choropleth maps of rates and Local Indicators of Spatial Autocorrelation by period show a similar pattern to that of total mortality for all causes, but differs in that only one region of a significant cluster persists throughout the period.
It is designed to provide an easy and powerful way to create choropleth maps that are tightly integrated with your data.
The performance of spatial interpolation methods and choropleth maps to estimate properties at points: a soil survey case study, Environmetrics 7: 1-16.