Similarity Matrix

http://www.insectscience.org/10.81/figure3.html

A similarity matrix is a matrix of scores which express the similarity between two data points. The above map shows effect of the landscape matrix on the distribution of dung and carrion beetles in a fragmented tropical rain forest.

Star Plots

http://www.sciencedirect.com/science/article/pii/S0003267006002108

Above are star plots of four different Alzheimer's patients. These segment diagrams of multivariate data sets can be used to campare treatment outcomes..

DLG

http://weather.unisys.com/usgs/3sec/
A Digital Line Graph (DLG) is a cartographic map feature represented in digital vector form that is distributed by the U.S. Geological Survey (USGS). The DLG above is also a DEM map of the US.

DRG

http://infoecho.net/cschin/topo3d/

Above is DRG map of Yosemite National Park. A digital raster graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) standard series topographic map.

Isopleths

http://www.whrc.org/news/pressroom/PR-2012-Davidson-Nature.html
Isopleths of mean daily precipitation during the driest months of the year in mm are overlain onto four land-cover classes in the Amazon basin. Isopleths are lines drawn on a map through all points having the same numerical value.

Isopach

http://www.glyfac.buffalo.edu/mib/course/laboratories/lab6.html

Some geographers have a need to know the thickness of various rock formations. They would use an isopach map similar to the one above.

Isohyets

http://goflorida.about.com/od/floridaweather/ss/weather_4.htm

Above is an isohyet map of Flofida. Isohyets depict levels of rainfal.