http://stn.spotfire.com/spotfire_client_help/box/box_what_is_a_box_plot.htm
The map displayed above is a box plot. Box plots are used to graphically display groups of numerical data through five number summaries. Box plots help display differences between many different populations. The spacings between the different spots on the box help convey the skewness in the data. Shown above is a box plot showing fruits and vegetables and there consumption rate by people.
Wednesday, March 28, 2012
Range graded proportional circle map
http://www.geography.siu.edu/people/oyana/Teaching/485_551/16th_lecture.htm
The map displayed above is a range graded proportional circle map. Range graded proportional circle maps are used to represent a certain piece of data's population. The difference between range graded proportional circle maps and continuously variable proportional circle maps are range graded circle maps have set sizes for the circles. The only problem with using set sizes is it does not represent the actual population and instead of represents a range. Shown above is a range grade proportional circle on the population in certain states during the 16th century.
The map displayed above is a range graded proportional circle map. Range graded proportional circle maps are used to represent a certain piece of data's population. The difference between range graded proportional circle maps and continuously variable proportional circle maps are range graded circle maps have set sizes for the circles. The only problem with using set sizes is it does not represent the actual population and instead of represents a range. Shown above is a range grade proportional circle on the population in certain states during the 16th century.
DOQQ
http://www.dnr.sc.gov/GIS/descdoqq.html
The map displayed above is an example of a Digital Orthophoto Quadrangles also known as DOQQ. A DOQQ is a digitalized image of an aerial photograph. This allows the photograph to be extremely spatially accurate and allows all of the features in the pictures to be in their true positions. This method reduces all image displacement that could be caused by something such as terrain relief. Shown above is a DOQQ of a portion of South Carolina.
The map displayed above is an example of a Digital Orthophoto Quadrangles also known as DOQQ. A DOQQ is a digitalized image of an aerial photograph. This allows the photograph to be extremely spatially accurate and allows all of the features in the pictures to be in their true positions. This method reduces all image displacement that could be caused by something such as terrain relief. Shown above is a DOQQ of a portion of South Carolina.
DEM
http://en.wikipedia.org/wiki/File:Oregon_DEM_relief_map.gif
The map shown above is an example of a digital elevation map also known as a DEM. This map is specifically designed to help show the elevation of a certain area. Digital elevation maps are useful in that they can help one get a layout of the land before people may go on vacation or traveling to a certain location. Digital elevation maps are taken from the USGS topographic map series. The map displayed above is a digital elevation map of Oregon.
The map shown above is an example of a digital elevation map also known as a DEM. This map is specifically designed to help show the elevation of a certain area. Digital elevation maps are useful in that they can help one get a layout of the land before people may go on vacation or traveling to a certain location. Digital elevation maps are taken from the USGS topographic map series. The map displayed above is a digital elevation map of Oregon.
DLG
http://home.roadrunner.com/~bobbylee/movepg01.htm
Shown above is a DLG map. DLG stands for Digital Line Graphs and are used by the USGS (United States Geological Service.) Digital line graph maps are used to view various streets, rivers, and certain boundaries. The map above is a digital line graph map of Gettysburg, Pennsylvania. It is easily understood it is a DLG because of the clear roads, streets, and boundaries that are shown throughout the map.
Shown above is a DLG map. DLG stands for Digital Line Graphs and are used by the USGS (United States Geological Service.) Digital line graph maps are used to view various streets, rivers, and certain boundaries. The map above is a digital line graph map of Gettysburg, Pennsylvania. It is easily understood it is a DLG because of the clear roads, streets, and boundaries that are shown throughout the map.
DRG
http://vterrain.org/Culture/drg.html
Shown above is a Digital Raster Graphic map. DRG's are scanned images of USGS standard series topographic maps. The scan is able to show almost all of cartographic data and also includes all of the spatial data. The map above is an image of Kabul in Afghanistan.
Shown above is a Digital Raster Graphic map. DRG's are scanned images of USGS standard series topographic maps. The scan is able to show almost all of cartographic data and also includes all of the spatial data. The map above is an image of Kabul in Afghanistan.
Tuesday, March 27, 2012
Scatterplot
http://www.fda.gov/RegulatoryInformation/Guidances/ucm127509.htm
Scatterplots show two different variables and how they correlate with each other. They do this by plotting dots to show each variables information. For example, a scatterplot could show the relation of the amount of cigarettes smoked to lung cancer deaths. Shown above are the responses for a certain study that uses two variables.
Scatterplots show two different variables and how they correlate with each other. They do this by plotting dots to show each variables information. For example, a scatterplot could show the relation of the amount of cigarettes smoked to lung cancer deaths. Shown above are the responses for a certain study that uses two variables.
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