How can I add the robust confidence ellipses of 97.5% on the variation diagrams (XY ilr-Transformed) in the robcompositions ,or composition packages?
Best
Azzeddine
In order for the benefit to prevail, I have verified a group of packages that do the add of The robust confidence ellipses of 97.5%
View them here by package and its function
1- ellipses () using the package 'ellipse'
2- ellipses () using the package 'rrcov'
3- ellipses () using the package 'cluster'
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