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gellipsoid  

Generalized Ellipsoids
View on CRAN: Click here


Download and install gellipsoid package within the R console
Install from CRAN:
install.packages("gellipsoid")

Install from Github:
library("remotes")
install_github("cran/gellipsoid")

Install by package version:
library("remotes")
install_version("gellipsoid", "0.7.3")



Attach the package and use:
library("gellipsoid")
Maintained by
Michael Friendly
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2022-04-22
Latest Update: 2023-08-20
Description:
Represents generalized geometric ellipsoids with the "(U,D)" representation. It allows degenerate and/or unbounded ellipsoids, together with methods for linear and duality transformations, and for plotting. Thus ellipsoids are naturally extended to include lines, hyperplanes, points, cylinders, etc. This permits exploration of a variety to statistical issues that can be visualized using ellipsoids as discussed by Friendly, Fox & Monette (2013), Elliptical Insights: Understanding Statistical Methods Through Elliptical Geometry .
How to cite:
Michael Friendly (2022). gellipsoid: Generalized Ellipsoids. R package version 0.7.3, https://cran.r-project.org/web/packages/gellipsoid. Accessed 27 Aug. 2026.
Previous versions and publish date:
(2026-07-09 07:41), 0.7.2 (2022-04-22 10:30)
Other packages that cited gellipsoid R package
View gellipsoid citation profile
Other R packages that gellipsoid depends, imports, suggests or enhances
Complete documentation for gellipsoid
Functions, R codes and Examples using the gellipsoid R package
Some associated functions: UD . basis3d . bbox3d . dual . ell3d . ellipsoid . gell . gellipsoid-package . gmult . isBounded . par3d.save . signature . 
Some associated R codes: UD.R . basis3d.R . bbox3d.R . dual.R . ell3d.R . ellipsoid.R . gell.R . gellipsoid-internal.R . gellipsoid-package.R . gmult.R . isBounded.R . par3d.save.R . signature.R .  Full gellipsoid package functions and examples
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