Description Usage Arguments Details Value Author(s) See Also Examples
View source: R/createBoundary.r
Create a boundary polygon corresponding nominally to the effective probability density support of a bivariate dataset via an interactive graphical interface and mouse (or, possibly, touchpad) posititionings and button clicks.
1 | createBoundary(x,y)
|
x |
vector containing the x-coordinates of a bivariate dataset. |
y |
vector containing the y-coordinates of a bivariate dataset. |
After the bivariate dataset is displayed on the screen a boundary polygon is selected by performing left mouse (or, possibly, touchpad) clicks on the screen to specify vertex positions, and then moving around in a clockwise direction until the polygon is completed. Completion is achieved by clicking inside the red octagon surrounding the starting vertex.
A two-column matrix containing the vertices of the selected boundary polygon.
M.P. Wand matt.wand@uts.edu.au
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