lengthahull {alphahull} | R Documentation |
Length of the boundary of the alpha-convex hull
Description
This function calculates the length of the boundary of the α-convex hull of a given sample.
Usage
lengthahull(ahull.arcs)
Arguments
ahull.arcs |
Output matrix of arcs returned by ahull . |
Details
The function lengthahull
is internally called by the function ahull
.
Value
length |
Length of the boundary of the α-convex hull. |
See Also
ahull
.
Examples
# Random sample in the unit square
x<-matrix(runif(100),nc=2)
# Value of alpha
alpha<-0.2
# alpha-convex hull
ahull.obj<-ahull(x,alpha=alpha)
# Length of the alpha-convex hull
ahull.obj$length
[Package
alphahull version 0.1
Index]