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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The choropleth maps in figures 5-7 show the residuals from the second model specifications and investigate whether regions and specific countries seem to under- or overperform relative to the model expectations.
The choropleth map in Figure 3 shows the smoothed incidence rates of NSCLC across Manitoba from 1992 to 2008.
The general reader is taken 'behind the scenes' as it were, for a concise account of the necessity of geo-rectifying historic maps, an explanation of the dangers of the 'ecological fallacy' and a discussion of the decisions which must be made in order to produce a thematic (choropleth) map.
(1) Do choropleth maps linked with parallel coordinates help people understand where the most vulnerable locations are and why these locations are vulnerable?
Goovaerts, "A coherent geostatistical approach for combining choropleth map and field data in the spatial interpolation of soil properties," European Journal of Soil Science, vol.
The data are presented in visual form on choropleth maps that use different colors or shades to depict the average values in each area.
Important is the utilization of various cartographic methods (choropleth method, chart maps), labelling, creation of legend etc.
Figure 6 is a choropleth map showing the number of high-achieving students in each county of the United States.
The spatial distribution of the component loadings for the four principal components, that had eigenvalues exceeding a value of one, are illustrated at the census tract scale in Figure 2 using choropleth maps.
Can these symbols be used to create a classed quantitative choropleth tactile map that facilitates the recognition and overall understanding of spatial patterns, such as the population distribution of a state?
The study makes use of Centrality Functional Index (CFI) and Rank Mobility Index (RMI) along with spatial visualization techniques using GIS-making use of isolines/density buffers and choropleth maps.