Qtools: Utilities for Quantiles

Functions for unconditional and conditional quantiles. These include methods for transformation-based quantile regression, quantile-based measures of location, scale and shape, methods for quantiles of discrete variables, quantile-based multiple imputation, restricted quantile regression, directional quantile classification, and quantile ratio regression. A vignette is given in Geraci (2016, The R Journal) <doi:10.32614/RJ-2016-037> and included in the package.

Version: 1.6.0
Depends: R (≥ 3.5.0)
Imports: boot, conquer, corpcor, glmx, graphics, grDevices, gtools, MASS, Matrix, np, numDeriv (≥ 2016.8-1), quantdr, quantreg, Rcpp (≥ 0.12.13), stats, utils
LinkingTo: Rcpp, RcppArmadillo
Suggests: knitr, mice, rmarkdown, survey
Published: 2025-07-28
DOI: 10.32614/CRAN.package.Qtools
Author: Marco Geraci ORCID iD [aut, cph, cre], Alessio Farcomeni ORCID iD [ctb] (Contributions to midrq and qrr code), Cinzia Viroli ORCID iD [ctb] (Contributions to dqc code)
Maintainer: Marco Geraci <marco.geraci at uniroma1.it>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: yes
Citation: Qtools citation info
Materials: NEWS
In views: MissingData
CRAN checks: Qtools results

Documentation:

Reference manual: Qtools.html , Qtools.pdf
Vignettes: Qtools: A Collection of Models and Tools for Quantile Inference (source, R code)

Downloads:

Package source: Qtools_1.6.0.tar.gz
Windows binaries: r-devel: Qtools_1.6.0.zip, r-release: Qtools_1.6.0.zip, r-oldrel: Qtools_1.6.0.zip
macOS binaries: r-release (arm64): Qtools_1.6.0.tgz, r-oldrel (arm64): Qtools_1.6.0.tgz, r-release (x86_64): Qtools_1.6.0.tgz, r-oldrel (x86_64): Qtools_1.6.0.tgz
Old sources: Qtools archive

Reverse dependencies:

Reverse imports: nlmm, scpi

Linking:

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