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Unclassed choropleth

This map indicates the proportional data values with the assign shading.

URL: http://www.agocg.ac.uk/reports/visual/casestud/dykes/figure9.gif

Digital Orthophoto Quarter Quads are digital aerial images. It contains orthorectified aerial photography at a resolution of 1 meter. This map indicates flights that were done for a statewide colored infrared in January – March 1998

URL: http://www.lib.ncsu.edu/gis/doqq.html

Histogram

A histogram is a display of statistical information that uses rectangles to show the frequency of data items in successive numerical intervals of equal size.This map indicates teh score on the final exam.

URL: http://media.techtarget.com/digitalguide/images/Misc/iw_histogram.gif

Univariate choropleth maps

Univariate choropleth map indicates only one specific set of data. In this case polulation. This map shows a percentage of individuals in different age groups that are experiencing proverty in the United States.

URL: http://www.cdc.gov/pcd/issues/2007/oct/images/07_0091_02.gif

Standardized choropleth maps

This map shows Canada’ s percentage of population aged 14 years and under. With the various colors are correlating to the density per unit area.

URL http://www.statcan.gc.ca/pub/92f0138m/2008003/figures/figure3.1-en.jpg:

Range graded proportional circle map

The range graded proportional circle is a symbol form, and varies by its size from place to place, in proportion to the quantities the symbol represents. This indicates Canada’s population distributions in 1980.
URL: http://www.d.umn.edu/geog/cartfolder/HTML%20Pages/Prop-Symbol1.htm

Bivariate choropleth map

A bivariate map shows two variables on a single map by combining two different sets of graphic symbols or colors. This map describes how to map two variables using functions in the default GUI.
URL: http://proceedings.esri.com/library/userconf/proc99/proceed/papers/pap171/p171.htm