Classed Choropleth map

http://www.eps.mq.edu.au/courses/GEOS219/choropleth.htm

This type of map uses different classes to separate the data, in this map areas of Australia are put into classes based off the number of deaths.

Planimetric map

http://www.ncdot.org/doh/preconstruct/highway/photo/Products/Planimetric_maps_default.html

Horizontal digital maps based off of a X and Y axis used in mapping transportation methods.

Choropleth Map

http://chandoo.org/wp/2009/07/24/medicare-chart-critique/

This is a Choropleth map of healthcare costs across the United States. These types of maps show data according to colors or shading.

Similarity Matrix

http://iv.slis.indiana.edu/sw/simvis.html

A similarity matrix displays the similar points of data that was recorded.

Proportional Circle Map

http://go.owu.edu/~jbkrygie/krygier_html/geog_353/geog_353_lo/geog_353_lo11.html

This proportional circle map shows the number of classes offered by state for cartography. Each circle on this map is linked to a value proportionate to its size.

Range Graded Proportional Circle Map

https://www.e-education.psu.edu/natureofgeoinfo/book/export/html/1553

This is a range graded proportional circle map of the Hispanic population by state. Each circle has a set value in proportion to its size but only uses the range to map the data.

Univariate Choropleth Map

http://www.princeton.edu/~rvdb/JAVA/election2008/

Univariate Choropleth map uses a single variable to display data. This map shows party affiliation by county throughout the United States.