Tuesday, November 19, 2013

Stem and leaf plot

A stem and leaf plot is a numerical display of the distribution of a variable. The information is written to show that the last digit is the leaf and the rest of the numbers in front are the stem. The one above is just an example on how stem and leaf plots work. http://www.webquest.hawaii.edu/kahihi/mathdictionary/images/stem_leaf_graph1.gif

Box plot

A box plot is an easy way to graphically depict groups of numerical data through their 5 number summaries. The image above shows how the typical box plot works. http://www.physics.csbsju.edu/stats/box2.html

Histogram

A histogram is a diagram consisting of individual bars who has different values. The values are dependent on the y-axis and the x-axis. The y-axis determines how high the bars will rise, while the x-axis is what we are measuring. The map shows the hours of delay in traffic per major city. http://www.coolinfographics.com/blog/2010/2/9/city-population-shift-maps.html

Parallel coordinate graph

Parallel coordinate graphs show a series of data and values. It shows many types of variables and that are displayed on their own axis. These axis are vertical and can potentially be linked to different values. http://www.ats.ucla.edu/stat/mult_pkg/perspective/v18n2p15.htm

Triangular plot map

A triangular plot map is a way to plot three different variables which have the same purpose. It shows the ratios of the three variables on an equilateral triangle. The picture shows how each corresponding major parties would win over majority in Parliament. http://kelseyherritt.blogspot.com/2011/04/triangular-plot.html

Wind rose map

A wind rose map measures the wind speed and direction of the wind in a given area. The map above gives the wind quality in Maine. The key shows that in black it has wind speeds over 22 mph. http://www.maine.gov/dep/air/meteorology/Windrosehome.html

Sunday, November 17, 2013

climograph

This climograph is of the United States over a whole calendar year. A climograph is a graphical depiction of the monthly precipitation and temperature conditions for a selected place. This one shows the climograph of Boulder, Colorado. http://www.colorado.edu/geography/extra/geogweb/manitousprings/intro/page2.html