Package: simplexgof 0.1.0

simplexgof: Bootstrap-Calibrated Goodness-of-Fit Test for Simplex Regression

Implements the bootstrap-calibrated local-influence goodness-of-fit test for simplex regression models with constant or varying dispersion, following the local influence approach of Zhu and Zhang (2004) <doi:10.1093/biomet/91.3.579> and the simplex regression model of Barndorff-Nielsen and Jorgensen (1991) <doi:10.1016/0047-259X(91)90008-P>. The test statistic aggregates individual local-influence measures under case-weight perturbation. Because the first-order asymptotic normal calibration is severely liberal in finite samples, a parametric bootstrap calibration is provided that restores accurate size control and delivers high power against omitted covariates, neglected dispersion, and distributional misspecification. Plotting functions reproduce the figures and tables of the companion methodological paper. Computational kernels are implemented in 'C++' via 'Rcpp' and 'RcppArmadillo' for speed, and two real datasets are bundled.

Authors:Raydonal Ospina [aut, cre]

simplexgof_0.1.0.tar.gz
simplexgof_0.1.0.zip(r-4.7-x86_64)simplexgof_0.1.0.zip(r-4.7-arm64)simplexgof_0.1.0.zip(r-4.6-x86_64)simplexgof_0.1.0.zip(r-4.6-arm64)simplexgof_0.1.0.zip(r-4.5-x86_64)
simplexgof_0.1.0.tgz(r-4.6-x86_64)simplexgof_0.1.0.tgz(r-4.6-arm64)simplexgof_0.1.0.tgz(r-4.5-x86_64)simplexgof_0.1.0.tgz(r-4.5-arm64)
simplexgof_0.1.0.tar.gz(r-4.7-arm64)simplexgof_0.1.0.tar.gz(r-4.7-x86_64)simplexgof_0.1.0.tar.gz(r-4.6-arm64)simplexgof_0.1.0.tar.gz(r-4.6-x86_64)
simplexgof_0.1.0.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
simplexgof/json (API)

# Install 'simplexgof' in R:
install.packages('simplexgof', repos = c('https://raydonal.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/raydonal/simplexgof/issues

Pkgdown/docs site:https://raydonal.github.io

Uses libs:
  • openblas– Optimized BLAS
  • c++– GNU Standard C++ Library v3
Datasets:
  • ammonia - Ammonia Oxidation Data
  • pbsc - Peripheral Blood Stem Cell (PBSC) Transplant Data

On CRAN:

Conda:

openblascpp

4.18 score 274 downloads 12 exports 2 dependencies

Last updated from:8b96e5237e. Checks:15 OK. Indexed: yes.

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linux-devel-x86_64OK145
source / vignettesOK220
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windows-release-x86_64OK95
windows-oldrel-x86_64OK95
wasm-releaseOK113

Exports:paper_ammoniapaper_fig1paper_pbscplot_envelopeplot_gof_bootplot_influencersimplexsim_table1simplex_diagsimplex_fitsimplex_gofsimplex_Un_asymptotic

Dependencies:RcppRcppArmadillo

Introduction to simplexgof
Overview | The data | Fitting a simplex regression model | Influence diagnostics | The bootstrap goodness-of-fit test | Half-normal plot with simulated envelope | Convenience plot methods | Next steps
Rendered fromsimplexgof-intro.Rmdusingknitr::rmarkdown

Last update: 2026-06-12
Started: 2026-06-12

Paper: ammonia application
The ammonia application | One-call reproduction | Parameter estimates (Table 5 of the paper) | Goodness-of-fit results (Table 6 of the paper) | Step by step | References
Rendered frompaper-ammonia.Rmdusingknitr::rmarkdown

Last update: 2026-06-12
Started: 2026-06-12

Paper: PBSC application
The PBSC application | The data | One-call reproduction | Parameter estimates | Goodness-of-fit results | Step by step | References
Rendered frompaper-pbsc.Rmdusingknitr::rmarkdown

Last update: 2026-06-12
Started: 2026-06-12