fitdistrplus: Help to Fit of a Parametric Distribution to Non-Censored or Censored Data

Extends the fitdistr() function (of the MASS package) with several functions to help the fit of a parametric distribution to non-censored or censored data. Censored data may contain left censored, right censored and interval censored values, with several lower and upper bounds. In addition to maximum likelihood estimation (MLE), the package provides moment matching (MME), quantile matching (QME), maximum goodness-of-fit estimation (MGE) and maximum spacing estimation (MSE) methods (available only for non-censored data). Weighted versions of MLE, MME, QME and MSE are available. See e.g. Casella & Berger (2002), Statistical inference, Pacific Grove, for a general introduction to parametric estimation.

Version: 1.2-1
Depends: R (≥ 3.5.0), MASS, grDevices, survival, methods
Imports: stats, rlang
Suggests: actuar, rgenoud, mc2d, gamlss.dist, knitr, ggplot2, GeneralizedHyperbolic, rmarkdown, Hmisc, bookdown
Published: 2024-07-12
DOI: 10.32614/CRAN.package.fitdistrplus
Author: Marie-Laure Delignette-Muller ORCID iD [aut], Christophe Dutang ORCID iD [aut], Regis Pouillot [ctb], Jean-Baptiste Denis [ctb], Aurélie Siberchicot ORCID iD [aut, cre]
Maintainer: Aurélie Siberchicot <aurelie.siberchicot at>
Contact: Marie-Laure Delignette-Muller <> or Christophe Dutang <>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Citation: fitdistrplus citation info
Materials: README NEWS
In views: ActuarialScience, Distributions, Survival
CRAN checks: fitdistrplus results


Reference manual: fitdistrplus.pdf
Vignettes: Frequently Asked Questions
Which optimization algorithm to choose?
Overview of the fitdistrplus package
Starting values used in fitdistrplus


Package source: fitdistrplus_1.2-1.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): fitdistrplus_1.2-1.tgz, r-oldrel (arm64): fitdistrplus_1.2-1.tgz, r-release (x86_64): fitdistrplus_1.2-1.tgz, r-oldrel (x86_64): fitdistrplus_1.2-1.tgz
Old sources: fitdistrplus archive

Reverse dependencies:

Reverse depends: BMT, enveomics.R, goft, mbbefd, OneStep, qmap, SCI, stratifyR, vsgoftest
Reverse imports: amt, AnnuityRIR, bayNorm, baytrends, CalibratR, cascsim, CBEA, censcyt, COCOA, conf, criticality, dfmirroR, Dpit, EasyDescribe, EnviroPRA2, EpiEstim, evtclass, ExGaussEstim, fasstr, FitUltD, fitur, FMAdist, GofCens, GrabSVG, ICcalib, infercnv, insurancerating, karyotapR, Kernelheaping, kindisperse, multistateQTL, multivarious, myTAI, NADA2, NetSimR, OmicsQC, parmsurvfit, phenesse, PhitestR, PredictionR, quickcode, RFlocalfdr, scBSP, SCRIP, SEI, SeqNet, Seurat, simPIC, simPop, splatter, SPsimSeq, ssd4mosaic, StockDistFit, traitstrap, TreeDimensionTest, WASP
Reverse suggests: AICcmodavg, Corbi, Ecfun, EGAnet, em, eventTrack, fmx, ggh4x, MARVEL, mc2d,, paleobuddy, pcutils, raw, reservr, simdata, ssdtools, Surrogate, TukeyGH77, zalpha
Reverse enhances: RobExtremes


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