Monday, June 21, 2010

Box Plot


A box plot graphically shows data using quartiles. It also shows the lowest, highest and median observations. This box plot shows the sale growth for different companies. This company shows above average growth.





http://www.obermatt.com/uploads/pics/box_plot_sample.gif

Star Plot



A star plot displays multiple variables. Each point represents one observation. This star plot is related to geochemistry.








http://members.iinet.net.au/~geotech/Geoservices04.htm

Scatter Plot


In a scatter plot, it shows the correlation between two variables; in order for there to be correlation the data must not be scattered randomly. The diagram that's being shown here has a strong negative correlation.






http://www.qimacros.com/qiwizard/scatter-plot-example-negative-correlation.jpg

Wednesday, June 16, 2010

Histogram


A Histogram displays frequencies of information or data, and the higher the frequency, the higher the peak. This histogram is use by photographers and shows the levels of blacks, fill lights, exposure, and recovery in pictures.

Doppler Radar


A Doppler Radar is used to detect rainfall. It also detects the distance away and the intensity of the rain. This Doppler Radar image shows a hurricane hitting the panhandle of Florida.

Cartogram


A Cartogram is a map that shows a certain topic, with a variable that is subsituted with land, area, or distance. In this map, the size of each state is determined by the number of electoral college votes.

Monday, June 14, 2010

Topographic Map


Topographic maps have a lot of details and use contour lines to display elevation. This is a Topographic map of Devil's Tower in Wyoming.

DOQQ Map


A DOQQ, or a Digital Orthophoto Quarter Quadrangle, map is an aerial photograph that is one-fourth of the U.S. Geological Survey's 7.5 minute quadrangle. This DOQQ map is of Oklahoma with a scale 1:24,000.

Hypsometric Map


A Hypsometric map is a map that uses colors to display different elevations. This Hypsometric map is a map of the Goiania metropolitan region of Brazil. In this particular map the lighter color represents the higher elevation.

Wednesday, June 2, 2010

Planimetric Map


This is a Planimetric map of Iraq produced by the USGS. Planimetric maps are the types of maps that only show horizontal features of an area and not vertical features like elevation. This Planimetric map shows international boundaries, major cities, roads, etc.

Mental Map of Cambridge

This is a mental map of Cambridge and it is based on a personal perception of the city. Mental maps show what people know from memorization and experience. Based on this map we can conclude that this person spends a lot of time in this certain area of Cambridge and probably little time outside this space.

http://ocw.mit.edu/ans7870/MAS/MAS.965/f04/assignments/tripti/Assignment10/index.htm