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gghotelling  

Hotelling's T² Ellipses and Outlier Detection for 'ggplot2'
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("gghotelling", "0.2.1")



Attach the package and use:
library("gghotelling")
Maintained by
January Weiner
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-08-09
Latest Update: 2026-08-09
Description:
Calculate Hotelling's T² ellipses and detect multivariate outliers both for base R plots and 'ggplot2' plots. Optionally, uses robust covariance estimation to reduce the influence of outliers on the ellipses. Also included: bagplots, kernel density plots and outlier diagnostic plots.
How to cite:
January Weiner (2026). gghotelling: Hotelling's T² Ellipses and Outlier Detection for 'ggplot2'. R package version 0.2.1, https://cran.r-project.org/web/packages/gghotelling. Accessed 02 Nov. 2026.
Previous versions and publish date:
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Complete documentation for gghotelling
Functions, R codes and Examples using the gghotelling R package
Full gghotelling package functions and examples
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