Friday, April 23, 2010

Standardized Choropleth Map

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/hispanic_race_fl-H1_FINAL.gif

http://my.ilstu.edu/~jrcarter/Geo204/Choro/Tom/

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/PDI%20Index%20Value.png

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/graphics/wateruse2000choropleth.gif

http://ga.water.usgs.gov/edu/wateruse2000.html

Univariate Choropleth Map

This type of map only demonstrates one variable throughout the map.
http://rosuda.org/~theus/Blog/Choro.jpg


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://revolution-computing.typepad.com/.a/6a010534b1db25970b0120a6879759970b-500wi

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/images/swat/weblinec.gif
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/Images/sid2009/figure%204.jpg

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/