A Standardized Choropleth map is on that has been areally averaged, that is one in which the numerical data has been standardized to a specific unit, such as population per square mile or percentage per a unit of area. Standardized Choropleths are useful because the allow units to be compared more effectively. Using large units may be misleading because there may be variables within the area of the unit. The Choropleth map to the left shows population per square mile in the Appalachians.
Monday, June 23, 2008
Standardized Choropleth Map
A Standardized Choropleth map is on that has been areally averaged, that is one in which the numerical data has been standardized to a specific unit, such as population per square mile or percentage per a unit of area. Standardized Choropleths are useful because the allow units to be compared more effectively. Using large units may be misleading because there may be variables within the area of the unit. The Choropleth map to the left shows population per square mile in the Appalachians.
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