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Scatterplot

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Edited by: Published: 2010
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A scatterplot is a graphic representation of the relationship between two or three variables. Each data point is represented by a point in n space, where n is the number of variables. The most common type of scatterplot involves two variables, with data indicated by its bivariate coordinates, usually denoted by X and Y. Trivariate plots are also common. Representing data in more than three dimensions requires multiple bivariate and/or trivariate plots. So basically, all scatterplots fall into two types: bivariate and trivariate.

Figure 1 Bivariate Scatterplot

Manipulated data points are used to present a bivariate scatterplot in Figure 1 and a trivariate plot in Figure 2.

Scatterplots in Data Analysis

Scatterplots can be used to represent variables that have linear, nonlinear, or no relationship. Often scatterplots can ...

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