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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 <doi:10.1214/12-STS402>.
| Version: | 0.7.3 |
| Depends: | rgl |
| Published: | 2023-08-20 |
| DOI: | 10.32614/CRAN.package.gellipsoid |
| Author: | Georges Monette [aut], Michael Friendly [aut, cre] |
| Maintainer: | Michael Friendly <friendly at yorku.ca> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| URL: | https://github.com/friendly/gellipsoid |
| NeedsCompilation: | no |
| Language: | en-US |
| Materials: | README NEWS |
| CRAN checks: | gellipsoid results |
| Reference manual: | gellipsoid.pdf |
| Package source: | gellipsoid_0.7.3.tar.gz |
| Windows binaries: | r-devel: gellipsoid_0.7.3.zip, r-release: gellipsoid_0.7.3.zip, r-oldrel: gellipsoid_0.7.3.zip |
| macOS binaries: | r-release (arm64): gellipsoid_0.7.3.tgz, r-oldrel (arm64): gellipsoid_0.7.3.tgz, r-release (x86_64): gellipsoid_0.7.3.tgz, r-oldrel (x86_64): gellipsoid_0.7.3.tgz |
| Old sources: | gellipsoid archive |
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