sgmean: Proportional Trimmed Mean

Computes a proportional trimmed mean that resolves the integer truncation problem of base R's mean(..., trim). When k = trim * n is non-integer, a fractional discount (1 - delta) is applied to boundary observations, where delta = k - floor(k). The resulting estimator is continuous in alpha for any fixed n, syntactically identical to mean(..., trim), and compatible with the 'Statgraphics' implementation. See Gaviria Chaverra (2026) <doi:10.32614/CRAN.package.sgmean>.

Version: 0.1.1
Suggests: knitr, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-07-29
DOI: 10.32614/CRAN.package.sgmean
Author: Juan C. Gaviria-Chaverra ORCID iD [aut, cre]
Maintainer: Juan C. Gaviria-Chaverra <jcarlos.gaviria at udea.edu.co>
BugReports: https://github.com/jcarlosgaviria/sgmean/issues
License: MIT + file LICENSE
URL: https://github.com/jcarlosgaviria/sgmean
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: sgmean results

Documentation:

Reference manual: sgmean.html , sgmean.pdf
Vignettes: sgmean: Trimmed Mean Compatible with Statgraphics (source, R code)

Downloads:

Package source: sgmean_0.1.1.tar.gz
Windows binaries: r-devel: sgmean_0.1.1.zip, r-release: sgmean_0.1.1.zip, r-oldrel: sgmean_0.1.1.zip
macOS binaries: r-release (arm64): sgmean_0.1.1.tgz, r-oldrel (arm64): sgmean_0.1.1.tgz, r-release (x86_64): sgmean_0.1.1.tgz, r-oldrel (x86_64): sgmean_0.1.1.tgz
Old sources: sgmean archive

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