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fitHeavyTail

Mean and Covariance Matrix Estimation under Heavy Tails

v0.2.0 · May 1, 2023 · GPL-3

Description

Robust estimation methods for the mean vector, scatter matrix, and covariance matrix (if it exists) from data (possibly containing NAs) under multivariate heavy-tailed distributions such as angular Gaussian (via Tyler's method), Cauchy, and Student's t distributions. Additionally, a factor model structure can be specified for the covariance matrix. The latest revision also includes the multivariate skewed t distribution. The package is based on the papers: Sun, Babu, and Palomar (2014); Sun, Babu, and Palomar (2015); Liu and Rubin (1995); Zhou, Liu, Kumar, and Palomar (2019); Pascal, Ollila, and Palomar (2021).

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OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026

Reverse Dependencies (1)

Dependency Network

Dependencies Reverse dependencies ICSNP mvtnorm ghyp numDeriv highOrderPortfolios fitHeavyTail

Version History

new 0.2.0 Mar 9, 2026