Nominal Choropleth Map

A nominal choropleth map is a map that displays a unique value.

http://www.spokane.wsu.edu/gis/Classes/images/T3/t3_choro2.jpg

Bilateral graph

This a bilateral graph is a graph that shows two differnt variables.

Unstandardized Choropleth Map

Total water use per day by state in the United States

Unstandardized Choropleth maps portray data without averaging within specified units. The data is presented as a total raw value

http://pubs.usgs.gov/fs/2005/3051/images/2000choropleth.gif

Univariate Choropleth Map

This univariate choropleth map shows the

percentasge of individuals living in poverty by county in the United States.

A univariate choropleth map is a choropleth map that displays a single attribute.

http://www.biomedcentral.com/content/figures/1471-2342-6-12-5.jpg

Index Value Plot

Time series plot of real-time streamflow compared

to historical streamflow for the day of the year (North Carolina)

An index value plot is visualization map which is plotted on a line graph.

http://water.usgs.gov/waterwatch/regplots/real/real_nc_1.gif