Triangular Plot

A Triangular is a type of graph that shows three variables. The one below shows the relationships between three political philosophies (parties) and how they voted.

Triangular plot http://ex-parrot.com/~chris/tmp/talk-2004-06-15/end-of-2003.png

Histogram

A histogram is a statistical representation of data. Each range of the variable is recorded and shaded in that there are no empty spaces.













http://www.graphicsserver.com/SampleApps/DotNet/General/Chart%20Types/Custom%20Charts/Histogram/Histogram.png

Unstandardized Choropleth Map

This Unstandardized Choropleth map represents vacancies by zip code for an area. It is considered unstandardized, because it has not been areally averaged.

http://www.sfu.ca/unigis/images/price10.jpg

Bilateral Graph Map

This Bilateral Graph map shows more than one variable being displayed. The legend shows which agency is involved, and which resources are managed by whom.


http://www.creativemappingsolutions.com/maps/thematic/thematic_map_1-web.jpg

Nominal Area Choropleth Map

This is a Nominal Area Choropleth map. The data being represented is nominal, meaning this map of the world shows the Gross Domestic Product for different nations. The amount of the GDP is defined by color shades.

http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Gdp_nominal_2005_world_map.PNG/800px-Gdp_nominal_2005_world_map.PNG

Univariate Choropleth Maps

This is a Univariate Choropleth Map. This type of map allows for one type of variable. It shows each state's most prominent minority group.

https://courseware.e-education.psu.edu/courses/geog482/graphics/citationexample.jpg

Bivariate Choropleth Maps

A Bivariate Choropleth Map is one that has more than one variable being represented. In addition to the colors showing differences in poverty levels, there is a "Continental Poverty Divide as well. It shows where the poverty is more densly located.

http://www.cdc.gov/pcd/issues/2007/oct/images/07_0091_05.gif