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cff-version: 1.2.0
message: 'To cite package "logcumulant" in publications use:'
type: software
license: GPL-3.0-only
title: 'logcumulant: Goodness-of-Fit Tests and Diagrams Based on Mellin Log-Cumulants'
version: 0.1.0
abstract: A family of three complementary goodness-of-fit tests based on an adaptation
  of Hotelling's T-squared statistic applied to vectors of sample log-cumulants (Mellin
  statistics) for positive-support reliability data. The package provides the asymptotic
  chi-squared reference and parametric bootstrap p-values for reliable finite-sample
  inference, covering the Weibull, Frechet, Gamma, Inverse-Gamma, Log-Normal, and
  Log-Logistic families. It also provides three diagnostic diagrams (log-cumulant,
  kurtosis-skewness, and coefficient-of-variation) with bootstrap concentration ellipses,
  in the spirit of moment-ratio diagrams. Methods are described in Santos, Ospina,
  Espinheira and Oliveira (2025).
authors:
- family-names: Ospina
  given-names: Raydonal
  email: raydonal@de.ufpe.br
  orcid: https://orcid.org/0000-0002-9884-9090
repository: https://cran.r-universe.dev
repository-code: https://github.com/raydonal/logcumulant
commit: 3bac1c6866205001254a9ac481eebcb0add19d69
url: https://raydonal.github.io/logcumulant/
date-released: '2026-06-12'
contact:
- family-names: Ospina
  given-names: Raydonal
  email: raydonal@de.ufpe.br
  orcid: https://orcid.org/0000-0002-9884-9090