This type of map is pretty simple and mostly use percentages or ratios to prove a point. The following map show the percentage of people who are Hispanic in the State of Florida. The darker color shows a higher rate than the lighter color.
http://my.ilstu.edu/~jrcarter/Geo204/Choro/Tom/
Friday, April 23, 2010
Index Value Plot
This type of tool is sometimes used to measure the increase or decrease of stocks and the stock market. It is usually used to plot some type of investment.
http://envstudies.brown.edu/oldsite/Web/special%20reports/Classes/ES201/2000/Drought%20Management/D%20-%20Indicators/indices%20with%20data/PDI/index%20value%20graph.html
http://envstudies.brown.edu/oldsite/Web/special%20reports/Classes/ES201/2000/Drought%20Management/D%20-%20Indicators/indices%20with%20data/PDI/index%20value%20graph.html
Nominal Area Choropleth
A Nominal Area Choropleth shows nominal data on a map. The following is a map that shows the water use for the United States in 2000.
http://ga.water.usgs.gov/edu/wateruse2000.html
http://ga.water.usgs.gov/edu/wateruse2000.html
Univariate Choropleth Map
This type of map only demonstrates one variable throughout the map.
http://statgraphics.blog.com/page/2/
http://statgraphics.blog.com/page/2/
Bivariate Choropleth Map
This type of map show two variables by combining different colors. These types of maps have proven extremely hard to understand.
http://blog.revolution-computing.com/2009/11/choropleth-map-r-challenge.html
http://blog.revolution-computing.com/2009/11/choropleth-map-r-challenge.html
Accumulative Line Graph
The accumulative line graph, also called ogive, is used in statistics when a person wants to knwo a total at any time. By combining the variables that are given the user can find out the total throughout the process. Here is an accumulative line graph of Lake Waco in 1990-1994.
http://www.tx.nrcs.usda.gov/technical/wrat/swat_output.html
http://www.tx.nrcs.usda.gov/technical/wrat/swat_output.html
Bilateral Graph
This is another way to distinguish between two variables. The following maps shows how much humanitarian aid and other financial aid has been given to a country.
http://www.dfid.gov.uk/About-DFID/Finance-and-performance/Aid-Statistics/Statistics-on-International-Development-2009/Section-3---How-much-is-UK-expenditure-on-International-Development/
http://www.dfid.gov.uk/About-DFID/Finance-and-performance/Aid-Statistics/Statistics-on-International-Development-2009/Section-3---How-much-is-UK-expenditure-on-International-Development/
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