Statistical Map

Statistical maps represent any given statistic value relative to the area, spatially on the map. It allows the reader to have a "big picture" take on the values represented.




http://www.bls.gov/lau/maps/twmcort.gif

Cartograms

A Cartogram represents statistical data geographically on a map. What would normally represent land area on a map is replaced with some sort of thematic mapping variable. This is a representation of each state in the US and what political party the majority of the population in that state claims.



http://www-personal.umich.edu/~mejn/election/2008/

Flow Maps

A flowmap can be used to show movement of just about anything, both tangible or intangible
To the right is a flow map representing the flow of exported French wine in the year 1864.






http://en.wikipedia.org/wiki/File:Minard%E2%80%99s_map_of_French_wine_exports_for_1864.jpg

Proportional Circle Map

A proportional circle map uses circles that are portioned out to represent a quantity. It is a visual aid that organizes information so it is fast and easy to portray the idea to the reader. This circle map reveals how each industry in Germany is proportioned out.








http://www.lib.utexas.edu/maps/europe/west_germany_ind_1972.jpg

Isoline Maps

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An isoline map is a map that utilizes continuous lines which are joined at points of the same value. This maps represents air temperatures world wide.







http://geography.uoregon.edu/envchange/clim_animations/gifs/tmp2m_web.gif

Chloropleth Map

A Chloropleth Map uses shading or color to represent values in each area sectioned in the map. As you can see in the example above, divorce rates are represented and their distribution.

http://www.pop.psu.edu/images/gia/maps/changeanim.gif

Dot Distribution Map

A dot distribution map is used to represent populaton distributions. A given number of population is represented by a dot. In this map, the Iranian blogsphere is represented. The size of each dot represents the number in each population, and the position of each dot is a function of its links with its neighbors.





http://mountainrunner.us/images/MappingtheIranianBlogosphere_9976/image.png