Saturday, December 4, 2010

Star Plots

A Star Plot is a method of displaying multivariate data and  each star represents a single observation. 

Stem and Leaf Plot

A steam and leaf plot uses part of a data value as the stem and the other part of the data value as the leaf to form groups or classes.

Box Plot

Box plots are used to detect the location and variation changes between two different groups of data. 

Histogram

A histogram shows  statistical information that uses rectangles to show the frequency of data items in successive numerical intervals of equal size.

Parallel Coordinate Graph

A Parallel Coordinate Graph shows a set of points in a dimensional space and the backdrop is drawn using parallel lines that are typically vertical and spaced equaled.

Triangular Plot

This Triangular Plot  is used to generate a ternary diagram. This type of triangular plots is most likely used by weather forecasters.

Friday, November 26, 2010

Windrose

A wind rose is a  tool used by meteorologist to give a detailed view of how wind speed and direction are typically dispersed over a particular location.