Thursday, November 13, 2008

Star Plots


Star plots allow the cartographer to compare multiple variables. This star plot shows automobile data for different types of automobiles. Each "leg" of each plot represents a different set of data such as price, head room, weight and length.

URL: http://www.math.yorku.ca/SCS/icons/sugi16/staraut2.gif

Correlation Matrix


A correlation matrix depicts a connection between a number of different variables. This correlation matrix is looking at different markets, investing styles, investors and regions.

URL: http://www.investors-routemap.co.uk/images/correlation.gif

Similarity Matrix


A similarity matrix shows how specific data are alike. This similarity matrix looks at the music of the Beatles' Hey Jude. The dark blue represents the chorus or areas of the song that are repeated.

URL: http://www-scf.usc.edu/~ise575/a/projects/shiu/website/index_files/image008.jpg

Steam and Leaf Plot


Stem and Leaf plots show how a variable is distributed in a population. This particular stem and leaf plot shows student grades.

URL: http://www.uow.edu.au/student/attributes/statlit/modules/images/2_50.gif

Box Plot


Box plots generally compare two or more sets of data and are a simple way of depicting data graphically. This box plot shows energy output on four different machines.

URL: http://www.itl.nist.gov/div898/handbook/eda/gif/boxplot0.gif

Histogram


Histograms display tabulated frequencies with the independent variable on the vertical axis and the dependent variable on the horizontal axis. This particular histogram displays the number of students and their score on the final exam.

URL: http://media.techtarget.com/digitalguide/images/Misc/iw_histogram.gif

Parallel Coordinate Graph


A parallel coordinate graph can be somewhat confusing as it uses additional vertical axis and plots points along all sides of the graph both vertically and horizontally as well as left to right.

URL: http://informationandvisualization.de/files/parallel_lines_m.jpg