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ifit: Simulation-Based Fitting of Parametric Models with Minimum PriorInformation

Implements an algorithm for fitting a generative model with an intractable likelihood using only box constraints on the parameters. The implemented algorithm consists of two phases. The first phase (global search) aims to identify the region containing the best solution, while the second phase (local search) refines this solution using a trust-region version of the Fisher scoring method to solve a quasi-likelihood equation. See Guido Masarotto (2025) <doi:10.48550/arXiv.2511.08180> for the details of the algorithm and supporting results.

Version:	1.0.0
Depends:	R (≥ 3.5.0)
Imports:	Rcpp,lpSolve, parallel, splines, stats, graphics
LinkingTo:	Rcpp
Suggests:	lattice
Published:	2025-11-20
DOI:	10.32614/CRAN.package.ifit
Author:	Guido Masarotto [aut, cre]
Maintainer:	Guido Masarotto <guido.masarotto at unipd.it>
License:	MIT + fileLICENSE
NeedsCompilation:	yes
CRAN checks:	ifit results

Documentation:

Reference manual:	ifit.html ,ifit.pdf
Vignettes:	Description of the algorithm (source)

Downloads:

Package source:	ifit_1.0.0.tar.gz
Windows binaries:	r-devel:ifit_1.0.0.zip, r-release:ifit_1.0.0.zip, r-oldrel:ifit_1.0.0.zip
macOS binaries:	r-release (arm64):ifit_1.0.0.tgz, r-oldrel (arm64):ifit_1.0.0.tgz, r-release (x86_64):ifit_1.0.0.tgz, r-oldrel (x86_64):ifit_1.0.0.tgz

Linking:

Please use the canonical formhttps://CRAN.R-project.org/package=ifitto link to this page.