Sunday, April 17, 2011
Trangular Plot
A Triangular Plot depicts the ratios of the three variables as positioned in a triangle. It is used in physical sciences to show the compositions of systems composed of three species, elements, resources, etc. The above triangular plot demonstrated the levels of flammability between three different gasses: Methane, Nitrogen, and Oxygen.
Windrose
Before the development of the compass rose, the windrose was a graphical display placed on maps to show the reader of the map a view of how wind speed blew and it's direction.
Climograph
A climograph is a depiction of the monthly precipitation and temperature in a selected place. In the above climograph, precipitation is shown by the bar graph while the line graph depicts temperature in Memphis, Tennessee.
Population Profile
A Population Profile is a chart dipicting a number of people as a function of their age. The above image shows the projected population structure with and without the AIDS epidemic in Botswana by 2020 from newborns to individuals in their eighties.
Scatter Plot
A Scatter Plot can demonstrate various correlations (or non correlations) between variables which can be positive, negative, or null. If the scatter plot begins from lower left to upper right, a positive correlation is suggested. Contrary, if the scatter plot begins from upper left to lower right, a negative correlation is suggested. Uncorrelated variables, such as displayed in the scatter plot above, show no correlation between variables- neither negative or positive.
Index Value Plot
Lorenz Curve
The Lorenz Curve demonstrates a proportion of distribution by graphing. The Lorenze curve typically shows probability using statistical information and is often used to analyze inequality between two numerical values. The Lorenz Curve shown above demonstrates the degree of inequality in the distribution of income.
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