Population profile

A population profile is a chart showing the number of people as a function of their ages.

http://www.ifad.org/operations/regional/pf/aids_1.htm

Scatterplot

A two dimensional graph representing a set of bi-variate data. For each element being graphed, there are two separate pieces of data.

http://www.mzandee.net/~zandee/statistiek/stat-online/chapter4/pearson.html

Index value plot

An index member which is the ratio of the value of all items in a given period to the value of all items in the base period.

http://waterwatch.usgs.gov/?m=pa07d&w=plot

Lorenz curve

A Lorenz curve is a graph showing the proportion of the distribution assumed by the bottom y% of the values. The curve represents the cumulative distribution function of the empirical probability distribution of wealth.

http://ingrimayne.com/econ/AllocatingRationing/MeasuringIncomeDist.html

Bilateral graph

Bilateral graphs are used to display data when there are both positive and negative values of choices.

http://www.msl.ri.cmu.edu/projects/teleop/

Nominal area choropleth map

A nominal area choropleth map is a choropleth map that is used to display nominal data.

https://courseware.e-education.psu.edu/courses/geog482/policies.shtml

Unstandardized choropleth maps

Unstandardized choropleth maps are maps that are unordered. One category is not higher or lower than the other.

http://www.uwec.edu/webprojects/geog367/northwoods/silent_sports.html