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xreg2: Flexible Maximum Likelihood Regression with Gradient-Based Optimisation

Fits flexible maximum likelihood regression models supporting censored, interval, and hybrid continuous/dichotomous data. Provides explicit analytic and numerical gradient computation, random intercept models via Gauss-Hermite quadrature, and multiple distribution families.

Version: 0.1.4
Depends: R (≥ 4.0.0)
Imports: ucminf, numDeriv
Suggests: optimx, testthat (≥ 3.0.0)
Published: 2026-04-28
DOI: 10.32614/CRAN.package.xreg2
Author: Kim Rand [aut, cre]
Maintainer: Kim Rand <krand at krand.no>
License: GPL-2
URL: https://github.com/MathsinHealth/xreg2
NeedsCompilation: no
CRAN checks: xreg2 results

Documentation:

Reference manual: xreg2.html , xreg2.pdf

Downloads:

Package source: xreg2_0.1.4.tar.gz
Windows binaries: r-devel: xreg2_0.1.4.zip, r-release: xreg2_0.1.4.zip, r-oldrel: xreg2_0.1.4.zip
macOS binaries: r-release (arm64): xreg2_0.1.4.tgz, r-oldrel (arm64): xreg2_0.1.4.tgz, r-release (x86_64): not available, r-oldrel (x86_64): not available

Linking:

Please use the canonical form https://CRAN.R-project.org/package=xreg2 to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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