Sunday, July 17, 2011

Scatterplot



As simple as it could be, the scatterplot is an easy to plot chart showing the variation of points of data on an x-y axis as two different variables in comparison. The x-axis (the horizontal line) represents one variable while the y-axis (the vertical line) represents the other variable. Points of data are placed throughout the chart with attributes relating to both variables. The uses for this type of graph are almost endless as it can be used to plot any two numerical variable values together. This map here shows the scatterplot analysis of vehicles. Weight (in tons) of the vehicle and it's horsepower are considered. There is a clear trend between all the dots placed on the chart that as one increases horsepower, the weight of the vehicle also increases. There are exceptions to this rule though, and that is important to take into consideration when using this type of map.

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