lme4

Linear Mixed-Effects Models using 'Eigen' and S4

v2.0-1 · Mar 5, 2026 · GPL (>= 2)

Description

Fit linear and generalized linear mixed-effects models. The models and their components are represented using S4 classes and methods. The core computational algorithms are implemented using the 'Eigen' C++ library for numerical linear algebra and 'RcppEigen' "glue".

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CRAN Check Status

1 ERROR

12 OK

Show all 13 flavors

Flavor	Status	Time
r-devel-linux-x86_64-debian-clang	OK	863.8s
r-devel-linux-x86_64-debian-gcc	OK	580.3s
r-devel-linux-x86_64-fedora-clang	OK	1499.6s
r-devel-linux-x86_64-fedora-gcc	OK	1464.1s
r-devel-windows-x86_64	OK	742s
r-oldrel-macos-arm64	OK	182s
r-oldrel-macos-x86_64	OK	634s
r-oldrel-windows-x86_64	ERROR	957s
r-patched-linux-x86_64	OK	830s
r-release-linux-x86_64	OK
r-release-macos-arm64	OK	181s
r-release-macos-x86_64	OK	858s
r-release-windows-x86_64	OK	744s

Check details (1 non-OK)

ERROR r-oldrel-windows-x86_64

tests

Running 'AAAtest-all.R' [171s]
  Running 'HSAURtrees.R' [0s]
  Running 'REMLdev.R' [3s]
  Running 'ST.R' [3s]
  Running 'agridat_gotway.R' [0s]
  Running 'bootMer.R' [0s]
  Running 'boundary.R' [1s]
  Running 'confint.R' [3s]
  Running 'devCritFun.R' [0s]
  Running 'drop.R' [0s]
  Running 'drop1contrasts.R' [0s]
  Running 'dynload.R' [1s]
  Running 'elston.R' [0s]
  Running 'evalCall.R' [0s]
  Running 'extras.R' [3s]
  Running 'falsezero_dorie.R' [0s]
  Running 'fewlevels.R' [0s]
  Running 'getME.R' [0s]
  Running 'glmer-1.R' [3s]
  Running 'glmerControlPass.R' [0s]
  Running 'glmerWarn.R' [0s]
  Running 'glmmExt.R' [3s]
  Running 'glmmWeights.R' [0s]
  Running 'hatvalues.R' [0s]
  Running 'is.R' [0s]
  Running 'lmList-tst.R' [3s]
  Running 'lme4_nlme.R' [3s]
  Running 'lmer-0.R' [3s]
  Running 'lmer-1.R' [3s]
  Running 'lmer-conv.R' [3s]
  Running 'lmer2_ex.R' [3s]
  Running 'methods.R' [0s]
  Running 'minval.R' [3s]
  Running 'modFormula.R' [0s]
  Running 'nbinom.R' [1s]
  Running 'n
...[truncated]...
e by expect_warning(..)
  + } else {
  +     cat( "package 'testthat' not available, cannot run unit tests\n" )
  + }
  Saving _problems/test-resids-82.R
  [ FAIL 1 | WARN 0 | SKIP 8 | PASS 1763 ]
  
  ══ Skipped tests (8) ═══════════════════════════════════════════════════════════
  • On CRAN (1): 'test-eval.R:2:1'
  • On Windows (1): 'test-methods.R:345:3'
  • Skipping (1): 'test-covariance_nlmer.R:22:3'
  • empty test (3): , ,
  • getRversion() < "4.6.0" is TRUE (1): 'test-methods.R:899:3'
  • testLevel < 2 is TRUE (1): 'test-predict.R:689:3'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure ('test-resids.R:81:5'): weighted residuals ──────────────────────────
  Expected `head(weighted.residuals(gm1), 3)` to equal `structure(...)`.
  Differences:
  2/3 mismatches (average diff: 0.267)
  [2] -5.17 - -4.93 == -0.244
  [3] -5.65 - -5.35 == -0.291
  
  [ FAIL 1 | WARN 0 | SKIP 8 | PASS 1763 ]
  Error:
  ! Test failures.
  Execution halted

Check History

ERROR 10 OK · 3 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Mar 11, 2026

ERROR r-patched-linux-x86_64

tests

Running ‘AAAtest-all.R’ [146s/169s]
  Running ‘HSAURtrees.R’ [3s/4s]
  Running ‘REMLdev.R’ [3s/4s]
  Running ‘ST.R’ [3s/4s]
  Running ‘agridat_gotway.R’ [4s/5s]
  Running ‘bootMer.R’ [7s/17s]
  Running ‘boundary.R’ [18s/23s]
  Running ‘confint.R’ [5s
...[truncated]...
iduals(gm1), 3)` to equal `structure(...)`.
  Differences:
  2/3 mismatches (average diff: 0.267)
  [2] -5.17 - -4.93 == -0.244
  [3] -5.65 - -5.35 == -0.291
  
  [ FAIL 1 | WARN 0 | SKIP 7 | PASS 1766 ]
  Error:
  ! Test failures.
  Execution halted

NOTE r-oldrel-macos-arm64

installed package size

installed size is 27.8Mb
  sub-directories of 1Mb or more:
    R          1.7Mb
    doc        1.7Mb
    libs      22.0Mb
    testdata   1.4Mb

NOTE r-oldrel-macos-x86_64

installed package size

installed size is 28.2Mb
  sub-directories of 1Mb or more:
    R          1.7Mb
    doc        1.7Mb
    libs      22.5Mb
    testdata   1.4Mb

NOTE r-oldrel-windows-x86_64

installed package size

installed size is  6.9Mb
  sub-directories of 1Mb or more:
    R          1.6Mb
    doc        1.7Mb
    libs       1.3Mb
    testdata   1.4Mb

NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

NOTE r-oldrel-macos-arm64

installed package size

installed size is 27.8Mb
  sub-directories of 1Mb or more:
    R          1.7Mb
    doc        1.7Mb
    libs      22.0Mb
    testdata   1.4Mb

NOTE r-oldrel-macos-x86_64

installed package size

installed size is 28.2Mb
  sub-directories of 1Mb or more:
    R          1.7Mb
    doc        1.7Mb
    libs      22.5Mb
    testdata   1.4Mb

NOTE r-oldrel-windows-x86_64

installed package size

installed size is  6.9Mb
  sub-directories of 1Mb or more:
    R          1.6Mb
    doc        1.7Mb
    libs       1.3Mb
    testdata   1.4Mb

Reverse Dependencies (552)

depends

CLME GLMMRR LMERConvenienceFunctions MDMR MEMSS MIIPW MixRF MultisiteMediation QualityMeasure WeMix WebPower afex agRee arm bapred blme cAIC4 carcass eirm gamm4 glmertree glmmPen influence.ME lme4GS lme4breeding lmerTest longpower marked merDeriv merTools mermboost mixAK mlmRev mlma mvMISE panelr pbkrtest pedigreemm plantmix predictmeans predint r2mlm robustlmm sae simr structree vcPB

imports

ALDEx3 ARTool AgroR ArvindSt AssumpSure BCClong BFpack BayesCACE BayesLN BayesSenMC BradleyTerry2 CEDMr CMatching CR2 CRTspat CalibrationCurves CleaningValidation ComBatFamQC CompositeReliability DClusterm DHARMa EQUALSTATS EdSurvey EstimateBreed GLMMcosinor GLMpack GRAB GimmeMyStats HDANOVA IDmeasurer IMTest JWileymisc LEGIT LKT LSAmitR LongDat MAGNAMWAR MAIHDA MCM MDMA MECfda MF.beta4 MIGEE MLID MLMusingR MMeM MRStdCRT MRStdLCRT MariNET MedianaDesigner MethodCompare MiRKAT MixedPsy MultiSpline PBImisc PLmixed PStrata PSweight PUMP PheVis Phenotype PoolTestR PowRPriori REndo RLRsim RMeDPower2 RRreg RStanTVA RVAideMemoire Rcmdr RcmdrPlugin.TeachStat SBMTrees SIAmodules SRMERS ShinyItemAnalysis SignacX SimplyAgree SoyNAM SumcaVer1 Surrogate TcGSA VCA WeightedCluster ZLAvian abn achieveGap actuaRE agriReg agriutilities altmeta attrib bayesammi baystability beezdemand bin2norm blmeco boot.pval bootmlm breakaway brokenstick buildmer car catalytic ceas cgam chngpt ciTools cito climatehealth climwin clinicalsignificance clintools clustTMB cobin compositeReliabilityInNestedDesigns confintROB conversim cpr crctStepdown ctlr cv cvms dataquieR daySupply designr diagmeta difR discSurv distfreereg dplR dsBase eefAnalytics effects epr epts evolvability ez faraway fastFMM faux fence finalfit fishmethods fullfact galamm gammi geeasy geex gemR glm.predict glmm.hp glmmEP glmmSeq glmmTMB gorica grafify gvcR hlmLab iSTAY ib iccbeta iccmult inferference inough int3ract intRvals interplot inti isni jlmerclusterperm joineRML jomo jstable konfound landmaRk lefko3 likelihoodR lmmprobe longitree longsurr manymodelr mecor mediation meta metadeconfoundR metamisc metan metaplus micemd misty mixedbiastest mixpower mlVAR mlmhelpr mlmoderator mlmpower mlmtools modnets mult.latent.reg multiDimBio multid multilevelTools multilevelmod multisite.accuracy multitool multpois mxnorm nadir netmediate nhscancerwaits pamm partR2 pastaPlot pcgen pcvr pdR pecanr peramo petersenlab phoenics phyr piecewiseSEM plgraphics plssem powerbydesign pprof prLogistic projpred psc psfmi psme ptmixed pwlmm qape qbrms qra quest rADA readyomics refund refund.shiny reghelper registr repmod reproducer rewie rfriend rockchalk rpql rptR rqlm rr2 rsq rstanarm rtpcr saeczi samplr semEff siland simpowa skpr smicd spAbundance spOccupancy specr spima splithalf spsurvey squid stabiliser stability standardize statAPA statgenGxE statgenSTA steppedwedge stevemisc surrosurv svycoxme svylme swCRTdesign swaprinc tidyILD toscca trace trouBBlme4SolveR tukeytrend varTestnlme vglmer vibass weights

suggests

AIBias AICcmodavg AgreementInterval BGData BayesFactor BayesTools BioThermR DAAG DAGassist EMAtools EgoCor Epi FBMS FRK HLMdiag HSAUR HSAUR2 HSAUR3 HelpersMG ICCbin ILSAstats INLAvaan KFAS LMMstar MARSS MESS MethComp MuMIn NHSRdatasets Nestimate OlinkAnalyze OnAge OpenMx R2admb RESI RcmdrPlugin.NMBU RoBMA RobustMediate SARP.compo SASmixed ScottKnott SimSurvey SpaDES.core SynergyLMM ThinkingGrid TripleR TukeyC VetResearchLMM VizTest ZIBR agridat aod aods3 asympDiag autoReg bartCause bayesDiagnostics bayestestR bregr brms brolgar broom broom.helpers broom.mixed bruceR cardx catdata catregs clubSandwich cocoon codebook connected correlation corrselect ctsem datawizard dlnm doBy dominanceanalysis domir dsBaseClient dscore easyViz ecostats effectsize embed emmeans epimdr epimdr2 equatiomatic eyetrackingR fetwfe finetune flexmix flextable futurize gamair ggeffects ggkodom gglm ggstatsplot glmmFEL glmmML glmmrBase glmmsel glmulti gmodels gratia gtsummary hamlet heritable hmclearn hnp huxtable imv injurytools insight interactions ipmr irtrees jmSurface jointest jtools kerasnip kyotil languageR latrend lava lavaSearch2 likelihoodAsy lmeInfo lmeresampler lmfor longmixr lucid lvmisc marginaleffects margins matrixset mbest metadat metafor metarep mfrmr mice miceadds mitml mixlm mlpwr mlr3fda mlr3pipelines mmrm modelbased modeldiagramR modelsummary mrIML mrap multcomp multilevelcoda multivarious ordinal pan papaja parameters pda performance permutes pez phia polypoly postHoc progressify psych purge r2glmm rdss reformulas report reportRmd rfars rmcorr rollout rtables sandwich scicomptools sdmTMB see sense seqwrap shinybrms simglm singcar sjPlot sjstats sjtable2df sleev slim spaMM stan4bart statlingua summata supernova tableone tidyLPA tidyfit tidyfun tidystats tidytreatment tram tramME unvs.med valueprhr valytics visreg

Dependency Network

Version History

137 tracked

new 2.0-1 Mar 10, 2026

updated 2.0-1 ← 1.1-38 diff Mar 4, 2026

updated 1.1-38 ← 1.1-37 diff Dec 1, 2025

updated 1.1-37 ← 1.1-36 diff Mar 25, 2025

updated 1.1-36 ← 1.1-35.5 diff Jan 10, 2025

updated 1.1-35.5 ← 1.1-35.4 diff Jul 2, 2024

updated 1.1-35.4 ← 1.1-35.3 diff Jun 18, 2024

updated 1.1-35.3 ← 1.1-35.2 diff Apr 15, 2024

updated 1.1-35.2 ← 1.1-35.1 diff Mar 27, 2024

updated 1.1-35.1 ← 1.1-35 diff Nov 4, 2023

updated 1.1-35 ← 1.1-34 diff Nov 2, 2023

updated 1.1-34 ← 1.1-33 diff Jul 4, 2023

updated 1.1-33 ← 1.1-32 diff Apr 24, 2023

updated 1.1-32 ← 1.1-31 diff Mar 13, 2023

updated 1.1-31 ← 1.1-30 diff Oct 31, 2022