choropleth map

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choropleth map

A map on which areas are colored or shaded according to variables, e.g., where a disease is active and where quiescent.
See also: map
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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.
Choropleth maps on high resolution CRTs: The effects of number of classes and hue on communication.
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.
The choropleth maps of rates and Local Indicators of Spatial Autocorrelation by period show stable regions of low rates in western Ohio and eastern Pennsylvania and scattered and inconsistent clusters of high rates throughout the southern states (as seen in Figure 6).
The choropleth maps of rates and Local Indicators of Spatial Autocorrelation by period show a single large and stable region of high rates in eastern Kentucky and southwestern West Virginia and scattered and short-term clusters of low rates elsewhere, especially in North Carolina, Virginia, and Pennsylvania.
The choropleth maps of two-bedroom rents are visually straightforward.
The choropleth maps are probably easier to explain to the typical lay user--especially the ZIP code map, since many more people are more familiar with ZIP code administrative boundaries than they are with census tract boundaries.
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).
These maps demonstrate two types of cartographic methods--a choropleth map and a diagram map (Kanok 1999; Vozenilek et al.
For the map outputs, two cartographical methods were used--diagram map and choropleth map.