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lmomco

Star Watch Copy Code

L-Moments, Censored L-Moments, Trimmed L-Moments, L-Comoments, and Many Distributions

View on CRAN: Click here

Download and install lmomco package within the R console
Install from CRAN:

 install.packages("lmomco")

Install from Github:

 library("remotes")

                        install_github("cran/lmomco")

Install by package version:

 library("remotes")

                        install_version("lmomco", "2.5.3")

Attach the package and use:

 library("lmomco")

Maintained by
William Asquith
[Scholar Profile | Author Map]

All associated links for this package

First Published: 2006-02-01

Latest Update: 2024-05-04

Description:

Extensive functions for Lmoments (LMs) and probability-weighted moments (PWMs), distribution parameter estimation, LMs for distributions, LM ratio diagrams, multivariate Lcomoments, and asymmetric (asy) trimmed LMs (TLMs). Maximum likelihood and maximum product spacings estimation are available. Right-tail and left-tail LM censoring by threshold or indicator variable are available. LMs of residual (resid) and reversed (rev) residual life are implemented along with 13 quantile operators for reliability analyses. Exact analytical bootstrap estimates of order statistics, LMs, and LM var-covars are available. Harri-Coble Tau34-squared Normality Test is available. Distributions with L, TL, and added (+) support for right-tail censoring (RC) encompass: Asy Exponential (Exp) Power [L], Asy Triangular [L], Cauchy [TL], Eta-Mu [L], Exp. [L], Gamma [L], Generalized (Gen) Exp Poisson [L], Gen Extreme Value [L], Gen Lambda [L, TL], Gen Logistic [L], Gen Normal [L], Gen Pareto [L+RC, TL], Govindarajulu [L], Gumbel [L], Kappa [L], Kappa-Mu [L], Kumaraswamy [L], Laplace [L], Linear Mean Residual Quantile Function [L], Normal [L], 3p log-Normal [L], Pearson Type III [L], Polynomial Density-Quantile 3 and 4 [L], Rayleigh [L], Rev-Gumbel [L+RC], Rice [L], Singh Maddala [L], Slash [TL], 3p Student t [L], Truncated Exponential [L], Wakeby [L], and Weibull [L].

How to cite:

William Asquith (2006). lmomco: L-Moments, Censored L-Moments, Trimmed L-Moments, L-Comoments, and Many Distributions. R package version 2.5.3, https://cran.r-project.org/web/packages/lmomco. Accessed 04 Aug. 2026.

Previous versions and publish date:

(2026-07-09 07:53), 0.3 (2006-02-01 19:15), 0.4 (2006-03-01 09:41), 0.5 (2006-03-13 10:16), 0.6 (2006-03-27 09:28), 0.7 (2006-04-15 21:35), 0.75 (2006-05-02 10:26), 0.76 (2006-05-12 09:54), 0.77 (2006-05-18 10:35), 0.80 (2006-06-21 09:45), 0.82 (2006-07-13 19:38), 0.83 (2007-04-11 10:22), 0.84 (2007-05-02 11:25), 0.85 (2007-07-16 22:06), 0.86 (2007-07-24 07:35), 0.87 (2007-08-02 18:11), 0.88 (2007-09-03 17:52), 0.90 (2007-10-02 14:40), 0.91 (2007-10-24 16:27), 0.92 (2007-11-21 17:38), 0.93.2 (2007-12-20 09:53), 0.93.3 (2008-02-03 13:14), 0.93.4 (2008-05-04 20:49), 0.93 (2007-12-11 21:04), 0.94 (2008-06-08 17:14), 0.95 (2008-08-24 18:00), 0.96.2 (2008-11-21 09:25), 0.96.3 (2009-02-23 21:19), 0.96 (2008-09-16 09:13), 0.97.1 (2009-07-18 18:42), 0.97.4 (2009-10-28 18:14), 1.0.1 (2010-08-09 21:13), 1.1.0 (2010-11-03 08:41), 1.2.0 (2010-11-15 17:05), 1.2.1 (2010-11-22 08:51), 1.2.2 (2010-12-03 09:32), 1.2.3 (2011-02-01 17:47), 1.2.4 (2011-02-13 17:33), 1.3.1 (2011-03-06 10:47), 1.3.2 (2011-03-15 17:53), 1.3.3 (2011-04-04 09:39), 1.3.4 (2011-04-24 08:56), 1.3.5 (2011-06-08 09:04), 1.3.6 (2011-06-25 07:54), 1.4.2 (2011-07-23 15:56), 1.4.3 (2011-09-01 08:26), 1.4.5 (2012-03-30 19:47), 1.5.1 (2012-04-16 21:59), 1.6.1 (2012-05-11 17:26), 1.6.2 (2012-07-16 16:05), 1.7.2 (2012-11-20 15:41), 1.7.3 (2013-01-29 07:15), 1.7.4 (2013-02-16 09:01), 1.7.5 (2013-03-31 07:59), 1.7.7 (2013-05-13 15:17), 1.7.8 (2013-07-05 21:41), 1.7.9 (2013-12-03 20:16), 1.8.1 (2014-01-27 21:01), 2.0.1 (2014-03-14 18:30), 2.1.1 (2014-06-02 07:34), 2.1.3 (2015-01-31 18:06), 2.1.4 (2015-04-21 07:47), 2.2.2 (2016-03-23 00:21), 2.2.3 (2016-06-03 11:06), 2.2.4 (2016-07-08 18:07), 2.2.5 (2016-09-11 00:16), 2.2.6 (2017-03-07 00:57), 2.2.7 (2017-03-08 16:37), 2.2.9 (2017-11-08 23:52), 2.3.1 (2018-03-08 23:39), 2.3.2 (2018-09-20 14:50), 2.3.6 (2020-03-14 16:00), 2.3.7 (2021-08-04 06:50), 2.4.7 (2022-08-26 23:12), 2.4.9 (2023-05-30 06:30), 2.4.11 (2023-08-30 18:50), 2.4.13 (2024-01-10 04:33), 2.4.14 (2024-02-19 18:10), 2.5.1 (2024-05-04 08:00), 2.5.3 (2025-09-24 07:11), 2.5.5 (2026-04-21 13:22)

Other packages that cited lmomco R package

View lmomco citation profile

Other R packages that lmomco depends, imports, suggests or enhances

View lmomco dependency map

Complete documentation for lmomco

View documentation PDF

Functions, R codes and Examples using the lmomco R package

Some associated functions: Apwm2BpwmRC . BEhypergeo . Bpwm2ApwmRC . DrillBitLifetime . IRSrefunds.by.state . LaguerreHalf . Lcomoment.Lk12 . Lcomoment.Wk . Lcomoment.coefficients . Lcomoment.correlation . Lcomoment.matrix . T2prob . TLmom . TLmoms . TX38lgtrmFlow . USGSsta01515000peaks . USGSsta02366500peaks . USGSsta05405000peaks . USGSsta06766000dvs . USGSsta08151500peaks . USGSsta08167000peaks . USGSsta08190000peaks . USGSsta09442000peaks . USGSsta14321000peaks . add.lmomco.axis . add.log.axis . amarilloprecip . are.lmom.valid . are.par.valid . are.paraep4.valid . are.parcau.valid . are.paremu.valid . are.parexp.valid . are.pargam.valid . are.pargep.valid . are.pargev.valid . are.pargld.valid . are.parglo.valid . are.pargno.valid . are.pargov.valid . are.pargpa.valid . are.pargum.valid . are.parkap.valid . are.parkmu.valid . are.parkur.valid . are.parlap.valid . are.parlmrq.valid . are.parln3.valid . are.parnor.valid . are.parpdq3.valid . are.parpdq4.valid . are.parpe3.valid . are.parray.valid . are.parrevgum.valid . are.parrice.valid . are.parsla.valid . are.parsmd.valid . are.parst3.valid . are.partexp.valid . are.partri.valid . are.parwak.valid . are.parwei.valid . bfrlmomco . canyonprecip . cdf2lmom . cdf2lmoms . cdfaep4 . cdfcau . cdfemu . cdfexp . cdfgam . cdfgep . cdfgev . cdfgld . cdfglo . cdfgno . cdfgov . cdfgpa . cdfgum . cdfkap . cdfkmu . cdfkur . cdflap . cdflmrq . cdfln3 . cdfnor . cdfpdq3 . cdfpdq4 . cdfpe3 . cdfray . cdfrevgum . cdfrice . cdfsla . cdfsmd . cdfst3 . cdftexp . cdftri . cdfwak . cdfwei . check.fs . check.pdf . claudeprecip . clearforkporosity . cmlmomco . cvm.test.lmomco . dat2bernqua . dat2bernquaf . disfitgovloc . disfitqua . dist.list . dlmomco . expect.max.ostat . f2f . f2flo . f2fpds . fliplmoms . flo2f . fpds2f . freq.curve.all . gen.freq.curves . genci.simple . gini.mean.diff . grv2prob . harmonic.mean . headrick.sheng.lalpha . herefordprecip . hlmomco . is.aep4 . is.cau . is.emu . is.exp . is.gam . is.gep . is.gev . is.gld . is.glo . is.gno . is.gov . is.gpa . is.gum . is.kap . is.kmu . is.kur . is.lap . is.lmrq . is.ln3 . is.nor . is.pdq3 . is.pdq4 . is.pe3 . is.ray . is.revgum . is.rice . is.sla . is.smd . is.st3 . is.texp . is.tri . is.wak . is.wei . lcomoms2 . lkhlmomco . lmom.ub . lmom2par . lmom2pwm . lmom2vec . lmomRCmark . lmomTLgld . lmomTLgpa . lmomaep4 . lmomcau . lmomco-package . lmomcohash . lmomemu . lmomexp . lmomgam . lmomgep . lmomgev . lmomgld . lmomglo . lmomgno . lmomgov . lmomgpa . lmomgpaRC . lmomgum . lmomkap . lmomkmu . lmomkur . lmomlap . lmomlmrq . lmomln3 . lmomnor . lmompdq3 . lmompdq4 . lmompe3 . lmomray . lmomrevgum . lmomrice . lmoms.bernstein . lmoms.bootbarvar . lmoms.cov . lmoms . lmomsRCmark . lmomsla . lmomsmd . lmomst3 . lmomtexp . lmomtri . lmomwak . lmomwei . lmorph . lmrdia . lmrdiscord . lmrloc . lrv2prob . lrzlmomco . mle2par . mps2par . nonexceeds . par2cdf . par2cdf2 . par2lmom . par2pdf . par2qua . par2qua2 . par2qua2lo . par2vec . parTLgld . parTLgpa . paraep4 . parcau . paremu . parexp . pargam . pargep . pargev . pargld . parglo . pargno . pargov . pargpa . pargpaRC . pargum . parkap . parkmu . parkur . parlap . parlmrq . parln3 . parnor . parpdq3 . parpdq4 . parpe3 . parray . parrevgum . parrice . pars2x . parsla . parsmd . parst3 . partexp . partri . parwak . parwei . pdfaep4 . pdfcau . pdfemu . pdfexp . pdfgam . pdfgep . pdfgev . pdfgld . pdfglo . pdfgno . pdfgov . pdfgpa . pdfgum . pdfkap . pdfkmu . pdfkur . pdflap . pdflmrq . pdfln3 . pdfnor . pdfpdq3 . pdfpdq4 . pdfpe3 . pdfray . pdfrevgum . pdfrice . pdfsla . pdfsmd . pdfst3 . pdftexp . pdftri . pdfwak . pdfwei . pfactor.bernstein . plmomco . plotlmrdia . plotradarlmr . pmoms . pp.f . pp.median . pp . prettydist . prob2T . prob2grv . prob2lrv . pwm.beta2alpha . pwm.gev . pwm . pwm.pp . pwm.ub . pwm2lmom . pwm2vec . pwmLC . pwmRC . qlmomco . qua.ostat . qua2ci.cov . qua2ci.simple . quaaep4 . quaaep4kapmix . quacau . quaemu . quaexp . quagam . quagep . quagev . quagld . quaglo . quagno . quagov . quagpa . quagum . quakap . quakmu . quakur . qualap . qualmrq . qualn3 . quanor . quapdq3 . quapdq4 . quape3 . quaray . quarevgum . quarice . quasla . quasmd . quast3 . quatexp . quatri . quawak . quawei . ralmomco . reslife.lmoms . riglmomco . rlmomco . rmlmomco . rmvarlmomco . rralmomco . rreslife.lmoms . rrmlmomco . rrmvarlmomco . sen.mean . sentiv.curve . slmomco . stttlmomco . supdist . tau34sq.normtest . theoLmoms.max.ostat . theoLmoms . theoTLmoms . theopwms . tlmr2par . tlmrcau . tlmrexp . tlmrgev . tlmrglo . tlmrgno . tlmrgpa . tlmrgum . tlmrln3 . tlmrnor . tlmrpe3 . tlmrray . tttlmomco . tulia6Eprecip . tuliaprecip . vec2TLmom . vec2lmom . vec2par . vec2pwm . vegaprecip . x2pars . x2xlo . xlo2qua . z.par2cdf . z.par2qua .
Some associated R codes: Apwm2BpwmRC.R . BEhypergeo.R . Bpwm2ApwmRC.R . LaguerreHalf.R . Lcomoment.Lk12.R . Lcomoment.Wk.R . Lcomoment.coefficients.R . Lcomoment.correlation.R . Lcomoment.matrix.R . T2prob.R . TLmom.R . TLmoms.R . add.lmomco.axis.R . add.log.axis.R . are.lmom.valid.R . are.par.valid.R . are.paraep4.valid.R . are.parcau.valid.R . are.paremu.valid.R . are.parexp.valid.R . are.pargam.valid.R . are.pargep.valid.R . are.pargev.valid.R . are.pargld.valid.R . are.parglo.valid.R . are.pargno.valid.R . are.pargov.valid.R . are.pargpa.valid.R . are.pargum.valid.R . are.parkap.valid.R . are.parkmu.valid.R . are.parkur.valid.R . are.parlap.valid.R . are.parlmrq.valid.R . are.parln3.valid.R . are.parnor.valid.R . are.parpdq3.valid.R . are.parpdq4.valid.R . are.parpe3.valid.R . are.parray.valid.R . are.parrevgum.valid.R . are.parrice.valid.R . are.parsla.valid.R . are.parsmd.valid.R . are.parst3.valid.R . are.partexp.valid.R . are.partri.valid.R . are.parwak.valid.R . are.parwei.valid.R . bfrlmomco.R . cdf2lmom.R . cdf2lmoms.R . cdfaep4.R . cdfcau.R . cdfemu.R . cdfexp.R . cdfgam.R . cdfgep.R . cdfgev.R . cdfgld.R . cdfglo.R . cdfgno.R . cdfgov.R . cdfgpa.R . cdfgum.R . cdfkap.R . cdfkmu.R . cdfkur.R . cdflap.R . cdflmrq.R . cdfln3.R . cdfnor.R . cdfpdq3.R . cdfpdq4.R . cdfpe3.R . cdfray.R . cdfrevgum.R . cdfrice.R . cdfsla.R . cdfsmd.R . cdfst3.R . cdftexp.R . cdftri.R . cdfwak.R . cdfwei.R . check.fs.R . check.pdf.R . cmlmomco.R . cvm.test.lmomco.R . dat2bernqua.R . dat2bernquaf.R . disfitqua.R . dist.list.R . distfitgovloc.R . dlmomco.R . expect.max.ostat.R . f2f.R . f2flo.R . f2fpds.R . fliplmoms.R . flo2f.R . fpds2f.R . freq.curve.all.R . gen.freq.curves.R . genci.simple.R . gini.mean.diff.R . grv.R . harmonic.mean.R . headrick.sheng.lalpha.R . hlmomco.R . is.aep4.R . is.cau.R . is.emu.R . is.exp.R . is.gam.R . is.gep.R . is.gev.R . is.gld.R . is.glo.R . is.gno.R . is.gov.R . is.gpa.R . is.gum.R . is.kap.R . is.kmu.R . is.kur.R . is.lap.R . is.lmrq.R . is.ln3.R . is.nor.R . is.pdq3.R . is.pdq4.R . is.pe3.R . is.ray.R . is.revgum.R . is.rice.R . is.sla.R . is.smd.R . is.st3.R . is.texp.R . is.tri.R . is.wak.R . is.wei.R . lcomoms2.R . lkhlmomco.R . lmom.ub.R . lmom2par.R . lmom2pwm.R . lmom2vec.R . lmomRCmark.R . lmomTLgld.R . lmomTLgpa.R . lmomaep4.R . lmomcau.R . lmomemu.R . lmomexp.R . lmomgam.R . lmomgep.R . lmomgev.R . lmomgld.R . lmomglo.R . lmomgno.R . lmomgov.R . lmomgpa.R . lmomgpaRC.R . lmomgum.R . lmomkap.R . lmomkmu.R . lmomkur.R . lmomlap.R . lmomlmrq.R . lmomln3.R . lmomnor.R . lmompdq3.R . lmompdq4.R . lmompe3.R . lmomray.R . lmomrevgum.R . lmomrice.R . lmoms.R . lmoms.bernstein.R . lmoms.bootbarvar.R . lmoms.cov.R . lmomsRCmark.R . lmomsla.R . lmomsmd.R . lmomst3.R . lmomtexp.R . lmomtri.R . lmomwak.R . lmomwei.R . lmorph.R . lmrdia.R . lmrdiscord.R . lmrloc.R . lrv.R . lrzlmomco.R . mle2par.R . mps2par.R . nonexceeds.R . par2cdf.R . par2cdf2.R . par2lmom.R . par2pdf.R . par2qua.R . par2qua2.R . par2qua2lo.R . par2vec.R . parTLgld.R . parTLgpa.R . paraep4.R . parcau.R . paremu.R . parexp.R . pargam.R . pargep.R . pargev.R . pargld.R . parglo.R . pargno.R . pargov.R . pargpa.R . pargpaRC.R . pargum.R . parkap.R . parkmu.R . parkur.R . parlap.R . parlmrq.R . parln3.R . parnor.R . parpdq3.R . parpdq4.R . parpe3.R . parray.R . parrevgum.R . parrice.R . pars2x.R . parsla.R . parsmd.R . parst3.R . partexp.R . partri.R . parwak.R . parwei.R . pdfaep4.R . pdfcau.R . pdfemu.R . pdfexp.R . pdfgam.R . pdfgep.R . pdfgev.R . pdfgld.R . pdfglo.R . pdfgno.R . pdfgov.R . pdfgpa.R . pdfgum.R . pdfkap.R . pdfkmu.R . pdfkur.R . pdflap.R . pdflmrq.R . pdfln3.R . pdfnor.R . pdfpdq3.R . pdfpdq4.R . pdfpe3.R . pdfray.R . pdfrevgum.R . pdfrice.R . pdfsla.R . pdfsmd.R . pdfst3.R . pdftexp.R . pdftri.R . pdfwak.R . pdfwei.R . pfactor.bernstein.R . plmomco.R . plotlmrdia.R . plotradarlmr.R . pmoms.R . pp.R . pp.f.R . prettydist.R . prob2T.R . pwm.R . pwm.beta2alpha.R . pwm.gev.R . pwm.pp.R . pwm.ub.R . pwm2lmom.R . pwm2vec.R . pwmLC.R . pwmRC.R . qlmomco.R . qua.ostat.R . qua2ci.cov.R . qua2ci.simple.R . quaaep4.R . quaaep4kapmix.R . quacau.R . quaemu.R . quaexp.R . quagam.R . quagep.R . quagev.R . quagld.R . quaglo.R . quagno.R . quagov.R . quagpa.R . quagum.R . quakap.R . quakmu.R . quakur.R . qualap.R . qualmrq.R . qualn3.R . quanor.R . quapdq3.R . quapdq4.R . quape3.R . quaray.R . quarevgum.R . quarice.R . quasla.R . quasmd.R . quast3.R . quatexp.R . quatri.R . quawak.R . quawei.R . ralmomco.R . reslife.lmoms.R . riglmomco.R . rlmomco.R . rmlmomco.R . rmvarlmomco.R . rralmomco.R . rreslife.lmoms.R . rrmlmomco.R . rrmvarlmomco.R . sen.mean.R . sentiv.curve.R . slmomco.R . stttlmomco.R . supdist.R . tau34sq.normtest.R . theoLmoms.R . theoLmoms.max.ostat.R . theoTLmoms.R . theopwms.R . tlmr2par.R . tlmrcau.R . tlmrexp.R . tlmrgev.R . tlmrglo.R . tlmrgno.R . tlmrgpa.R . tlmrgum.R . tlmrln3.R . tlmrnor.R . tlmrpdq4.R . tlmrpe3.R . tlmrray.R . tttlmomco.R . vec2TLmom.R . vec2lmom.R . vec2par.R . vec2pwm.R . x2pars.R . x2xlo.R . xlo2qua.R . z.par2cdf.R . z.par2qua.R . zzz.R . Full lmomco package functions and examples

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Louis-Philippe Pouliot