dummycoor
(Package: alphahull) :
Semi-infinite edge of the Voronoi diagram
This function determines fictitious coordinates for the boundless extreme of a semi-infinite edge of the Voronoi diagram.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: dummycoor
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anglesArc
(Package: alphahull) :
Angles of the extremes of an arc
Given a vector v and an angle θ, anglesArc returns the angles that A_θ v and A_{-θ} v form with the axis OX, where A_θ v represents the clockwise rotation of angle θ of the vector v.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: anglesArc
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This function uses recursion to construct a Kock snowflake curve.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: koch
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0 images
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areaahull
(Package: alphahull) :
Area of the alpha-convex hull
This function calculates the area of the α-convex hull of a sample of points.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: areaahull
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0 images
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rkoch
(Package: alphahull) :
Random generation on a Koch snowflake curve
This function generates ramdom points from a uniform distribution on a Koch snowflake.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: rkoch
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This function calculates the area of the α-convex hull of a sample of points.
● Data Source:
CranContrib
● Keywords: internal
● Alias: areaahulleval
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0 images
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plot.delvor
(Package: alphahull) :
Plot the Voronoi diagram and Delaunay traingulation
This function returns a plot of the Voronoi diagram and Delaunay traingulation.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: plot.delvor
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0 images
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ahull
(Package: alphahull) :
alpha-convex hull calculation
This function calculates the α-convex hull of a given sample of points in the plane for α>0.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: ahull
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0 images
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arc
(Package: alphahull) :
Add an arc to a plot
This function adds the arc of B(c,r) between the angles that A_θ v and A_{-θ} v form with the axis OX, where A_θ v represents the clockwise rotation of angle θ of the vector v.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: arc
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0 images
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plot.ahull
(Package: alphahull) :
Plot the alpha-convex hull
This function returns a plot of the α-convex hull. If desired, it also adds the Delaunay triangulation, Voronoi diagram and α-shape of the sample.
● Data Source:
CranContrib
● Keywords: nonparametric
● Alias: plot.ahull
●
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