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 ?
Typically, knowledge construction is facilitated by allowing the users to visualize multivariate data in many different ways that are dynamically linked, for example, maps linked with scatterplots, scatterplots linked with PCPs, or choropleth maps linked with PCPs.
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?
Traditional Versus Sequenced Choropleth Maps: An Experimental Investigation".
After analyzing the statistical characteristics of the data, the rents were analyzed through the use of choropleth mapping.
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).
Choropleth maps best demonstrate the changing prevalence of HIV among recruits from each district.
Legend Designs for Unclassed, Bivariate, Choropleth Maps.
These relationships connected numerical data to the polygons (village) as a source data for the choropleth maps and the bar diagrams.
Choropleth maps were more likely to use inappropriate projections, as were maps with generalized base maps.
Ormeling (1992) discusses the use of chorochromatic, choropleth, isoline, and flow line maps for linguistic data as well as proportional and qualitative symbols.
Additionally, some cartographic methods require an equal-area base, for example, choropleth maps (showing values usually normalized by area by differently shaded areas) or dot maps (where the relative density of dots changes with a real distortion).
2013) introduced an innovative method to visualize aggregated social media messages into 30 square kilometer hexagons, which is different from traditional mapping methods (such as kernel density maps or choropleth maps).