Calculate metrics and plotting information for convex hulls
This function calculates the area of the convex hull describing a set of bivariate points, and returns other information useful for plotting the hull.
siberConvexhull(x, y)
x |
a vector of x-axis data |
y |
a vector of y-axis data |
A list of length four comprising:
TAthe area of the convex hull.
hullXthe x-coordinates of the points describing the convex hull.
hullYthe y-coordinates of the points describing the convex hull.
indthe indices of the original data in x and y that
form the boundaries of the convex hull.
x <- stats::rnorm(15) y <- stats::rnorm(15) siberConvexhull(x, y)
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