API for lme4
Linear Mixed-Effects Models using 'Eigen' and S4

Global functions
.get.checkingOpts Source code
.hasScale Source code
.isDiagonal.sq.matrix Source code
.makeCC Man page Source code
.merMod.msgs Source code
.minimalOptinfo Source code
.modelMatrixDrop Source code
.onLoad Source code
.onUnload Source code
.optinfo Source code
.prt.VC Man page Source code
.prt.aictab Man page Source code
.prt.call Man page
.prt.family Man page
.prt.grps Man page Source code
.prt.methTit Man page Man page
.prt.resids Man page
.prt.warn Man page Source code
.simpleCap Source code
.simulateFun Man page
Arabidopsis Man page
Covariance-class Man page
Covariance.ar1-class Man page
Covariance.cs-class Man page
Covariance.diag-class Man page
Covariance.us-class Man page
Cv_to_Sv Man page Source code
Cv_to_Vv Man page Source code
Dyestuff Man page
Dyestuff2 Man page
GHrule Man page
GQN Man page
GQdk Man page Source code
InstEval Man page
NelderMead Man page
NelderMead-class Man page
Nelder_Mead Man page Source code
Pastes Man page
Penicillin Man page
REMLcrit Man page Source code
RHSForm Source code
RglmerWrkIter Source code
Sv_to_Cv Man page Source code
VarCorr Man page
VarCorr.merMod Man page Source code
VerbAgg Man page
Vv_to_Cv Man page Source code
`%i%` Source code
`RHSForm<-` Source code
abbrDeparse Source code
ad Source code
all0 Source code
allFit Man page Source code
allVarsRec Source code
anova.merMod Man page
anovaLmer Source code
anyStructured Man page
arrange.condVar Source code
array_to_bdiag Source code
as.data.frame.VarCorr.merMod Man page Source code
as.data.frame.bootMer Source code
as.data.frame.ranef.mer Man page Source code
as.data.frame.thpr Man page Source code
as.function.merMod Man page Source code
asDf0 Source code
augment.RE Source code
barnames Source code
bdiag_to_array Source code
bdiag_to_mlist Source code
bootMer Man page Source code
cake Man page
cbpp Man page
cbpp2 Man page
chck1 Source code
checkArgs Source code
checkConv Man page Source code
checkCtrlLevels Source code
checkFormulaData Source code
checkHess Source code
checkNlevels Source code
checkResponse Source code
checkScaleX Source code
checkZdims Source code
checkZrank Source code
check_dep_version Source code
chk.cconv Source code
chk.convOpt Source code
chkRank.drop.cols Source code
coef.lmList4 Source code
coef.merMod Man page
coefMer Source code
colSort Source code
combineLists Source code
condVar Source code
confint.bootMer Source code
confint.lmList4 Source code
confint.merMod Man page Source code
confint.thpr Man page Source code
cont Source code
convergence Man page
cooks.distance.influence.merMod Man page Source code
cooks.distance.merMod Man page Source code
cov2sdcor Man page Source code
culcitalogreg Man page
culcitalvolume Man page
dens Source code
densityplot.thpr Man page Source code
deriv12 Source code
devCrit Source code
devcomp Man page Source code
devfun2 Man page Source code
deviance.merMod Man page Source code
df.residual.merMod Man page Source code
dfbeta.influence.merMod Man page Source code
dfbetas.influence.merMod Man page Source code
diagnostic.plots Man page
diagnosticPlots Man page
diagnostic_plots Man page
diagnostics Man page
dim.merMod Source code
doCheck Source code
dotplot.coef.mer Source code
dotplot.ranef.mer Man page Source code
drop1.merMod Man page Source code
dropOffset Source code
dummy Man page Source code
est_theta Source code
expandDoubleVerts Man page
extractAIC.merMod Man page Source code
factorize Man page Source code
family.glmResp Source code
family.lmResp Source code
family.merMod Man page Source code
family.nlsResp Source code
family2char Source code
findbars Man page
fitted.merMod Man page Source code
fixed.effects Man page Source code
fixef Man page
fixef.merMod Man page Source code
forceCopy Source code
forceNewMerMod Man page
formatVC Man page
formula.lmList4 Source code
formula.merMod Man page Source code
fortify Man page
fortify.merMod Man page
get.which Source code
getConv Source code
getData Man page
getData.merMod Man page Source code
getDoublevertDefault Man page Source code
getFixedFormula Source code
getGroups.lmList4 Source code
getGroupsFormula Source code
getGroupsFormula.merMod Source code
getIDLabels Source code
getL Man page
getL,merMod-method Man page
getLambda Man page
getLambda,Covariance.ar1-method Man page
getLambda,Covariance.cs-method Man page
getLambda,Covariance.diag-method Man page
getLambda,Covariance.us-method Man page
getLambda,merMod-method Man page
getLambdat.dp Man page
getLambdat.dp,Covariance.ar1-method Man page
getLambdat.dp,Covariance.cs-method Man page
getLambdat.dp,Covariance.diag-method Man page
getLambdat.dp,Covariance.us-method Man page
getLambdat.i Man page
getLambdat.i,Covariance.ar1-method Man page
getLambdat.i,Covariance.cs-method Man page
getLambdat.i,Covariance.diag-method Man page
getLambdat.i,Covariance.us-method Man page
getLower Man page
getLower,Covariance.ar1-method Man page
getLower,Covariance.cs-method Man page
getLower,Covariance.diag-method Man page
getLower,Covariance.us-method Man page
getLower,merMod-method Man page
getME Man page Source code
getME.merMod Man page Source code
getMsg Source code
getNBdisp Source code
getNBdisp.fam Source code
getOptfun Source code
getPar Man page
getPar,Covariance-method Man page
getPar,merMod-method Man page
getParLength Man page
getParLength,Covariance-method Man page
getParLength,merMod-method Man page
getParNames Man page
getParNames,Covariance.ar1,character,character-method Man page
getParNames,Covariance.cs,character,character-method Man page
getParNames,Covariance.diag,character,character-method Man page
getParNames,Covariance.us,character,character-method Man page
getParNames,merMod,missing,missing-method Man page
getProfLower Man page
getProfLower,Covariance.ar1-method Man page
getProfLower,Covariance.cs-method Man page
getProfLower,Covariance.diag-method Man page
getProfLower,Covariance.us-method Man page
getProfLower,merMod-method Man page
getProfPar Man page
getProfPar,Covariance.ar1-method Man page
getProfPar,Covariance.cs-method Man page
getProfPar,Covariance.diag-method Man page
getProfPar,Covariance.us-method Man page
getProfPar,merMod-method Man page
getProfUpper Man page
getProfUpper,Covariance.ar1-method Man page
getProfUpper,Covariance.cs-method Man page
getProfUpper,Covariance.diag-method Man page
getProfUpper,Covariance.us-method Man page
getProfUpper,merMod-method Man page
getReCovs Man page
getResponseFormula Source code
getSingTol Man page Source code
getTheta Man page
getTheta,Covariance.ar1-method Man page
getTheta,Covariance.cs-method Man page
getTheta,Covariance.diag-method Man page
getTheta,Covariance.us-method Man page
getTheta,merMod-method Man page
getThetaIndex Man page
getThetaIndex,Covariance.ar1-method Man page
getThetaIndex,Covariance.cs-method Man page
getThetaIndex,Covariance.diag-method Man page
getThetaIndex,Covariance.us-method Man page
getThetaIndexLength Man page
getThetaIndexLength,Covariance.ar1-method Man page
getThetaIndexLength,Covariance.cs-method Man page
getThetaIndexLength,Covariance.diag-method Man page
getThetaIndexLength,Covariance.us-method Man page
getThetaLength Man page
getThetaLength,Covariance.ar1-method Man page
getThetaLength,Covariance.cs-method Man page
getThetaLength,Covariance.diag-method Man page
getThetaLength,Covariance.us-method Man page
getThetaLength,merMod-method Man page
getThetaNames Man page
getThetaNames,Covariance.ar1,character,character-method Man page
getThetaNames,Covariance.cs,character,character-method Man page
getThetaNames,Covariance.diag,character,character-method Man page
getThetaNames,Covariance.us,character,character-method Man page
getThetaNames,merMod,missing,missing-method Man page
getUpper Man page
getUpper,Covariance.ar1-method Man page
getUpper,Covariance.cs-method Man page
getUpper,Covariance.diag-method Man page
getUpper,Covariance.us-method Man page
getUpper,merMod-method Man page
getVC Man page
getVC,Covariance.ar1-method Man page
getVC,Covariance.cs-method Man page
getVC,Covariance.diag-method Man page
getVC,Covariance.us-method Man page
getVCNames Man page
getVCNames,Covariance.ar1,character,character-method Man page
getVCNames,Covariance.cs,character,character-method Man page
getVCNames,Covariance.diag,character,character-method Man page
getVCNames,Covariance.us,character,character-method Man page
getVCNames,merMod,missing,missing-method Man page
get_abi_version Source code
get_clen Source code
glFormula Man page
glmFamily Man page
glmFamily-class Man page
glmResp Man page
glmResp-class Man page
glmer Man page Source code
glmer.nb Man page Source code
glmerControl Man page
glmerLaplaceHandle Man page Source code
glmerMod-class Man page
glmerPwrssUpdate Source code
golden Man page
golden-class Man page
gopherdat2 Man page
grouseticks Man page
grouseticks_agg Man page
grpfact Source code
hasNoScale Source code
hasScale Source code
hatvalues.merMod Man page
inForm Source code
influence.merMod Man page Source code
initialize,Covariance.ar1-method Man page
initialize,Covariance.cs-method Man page
initialize,Covariance.diag-method Man page
initialize,Covariance.us-method Man page
isFlexLambda Source code
isGLMM Man page Source code
isGLMM.merMod Man page Source code
isGLMlist Source code
isLMM Man page Source code
isLMM.merMod Man page Source code
isNBfamily Source code
isNLMM Man page Source code
isNLMM.merMod Man page Source code
isNested Man page
isNewMerMod Man page
isRE Source code
isREML Man page Source code
isREML.merMod Man page Source code
isSingular Man page
isSingular,Covariance.ar1-method Man page
isSingular,Covariance.cs-method Man page
isSingular,Covariance.diag-method Man page
isSingular,Covariance.us-method Man page
isSingular,merMod-method Man page
isSingular-methods Man page
lFormula Man page Source code
llikAIC Man page
lmList Man page Source code
lmList4-class Man page
lmResp Man page
lmResp-class Man page
lme4 Man page
lme4-package Man page
lme4_testlevel Man page Source code
lmer Man page Source code
lmerControl Man page
lmerMod-class Man page
lmerResp Man page
lmerResp-class Man page
log.thpr Man page
logLik.merMod Man page Source code
logProf Man page
makeFac Source code
mcmcsamp Man page Source code
mcmcsamp.merMod Source code
merControl Source code
merMod Man page
merMod-class Man page
merPredD Man page
merPredD-class Man page
methTitle Man page
mkBlist Source code
mkDataTemplate Man page Source code
mkGlmerDevfun Man page
mkLmerDevfun Man page
mkMerMod Man page Source code
mkMinimalData Source code
mkNewReTrms Man page
mkParsTemplate Man page Source code
mkPfun Source code
mkReTrms Man page
mkRespMod Man page Source code
mkVarCorr Man page Source code
mkWarnFun Source code
mkdevfun Source code
mlist2vec Man page Source code
mlist_to_array Source code
mmList Source code
mmList.formula Source code
mmList.merMod Source code
model.frame.merMod Man page Source code
model.matrix.merMod Man page Source code
modelFormula Source code
modular Man page
my_reOnly Source code
na.action.merMod Source code
namedList Man page Source code
negative.binomial Man page
ngrps Man page Source code
ngrps.default Source code
ngrps.factor Source code
ngrps.merMod Man page Source code
nlformula Man page Source code
nlmer Man page Source code
nlmerControl Man page Source code
nlmerMod-class Man page
nlminbwrap Man page Source code
nloptwrap Man page
nlsResp Man page
nlsResp-class Man page
nmkbw Source code
noLHSform Source code
nobars Man page
nobs Man page
nobs.merMod Man page Source code
normalizeFamilyName Source code
npar.merMod Source code
optTheta Source code
optimizeGlmer Man page
optimizeLmer Man page
optwrap Source code
pad_Cmat Source code
panel.thpr Source code
plot.allFit Source code
plot.coef.mer Source code
plot.lmList Man page
plot.lmList4.confint Source code
plot.merMod Man page Source code
plot.ranef.mer Source code
pooledSD Source code
predict.merMod Man page
predy Source code
print.VarCorr.merMod Man page Source code
print.allFit Source code
print.bootMer Source code
print.bootWarnings Source code
print.merMod Man page Source code
print.ranef.mer Source code
print.summary.merMod Man page Source code
profile-methods Man page
profile.merMod Man page Source code
profnames Source code
pvalues Man page
qqmath.merMod Man page
qqmath.ranef.mer Man page Source code
qqplot Man page
quad.tdiag Source code
quickSimulate Source code
random.effects Source code
ranef Man page
ranef.merMod Man page Source code
reOnly Man page Source code
rePCA Man page Source code
rePCA.merMod Source code
rePos Man page
rePos-class Man page
reexpr Source code
refit Man page Source code
refit.merMod Man page Source code
refit2.merMod Source code
refitML Man page Source code
refitML.merMod Man page
refitNB Source code
replaceTerm Source code
residuals.glmResp Man page
residuals.lmResp Man page
residuals.merMod Man page
rstudent.glmerMod Source code
sacos Source code
safe_chol Source code
safe_length Source code
salamander Man page
scale_vcov Source code
schizophrenia Man page
sdcor2cov Man page Source code
setNBdisp Source code
setPar Man page
setPar,Covariance,numeric-method Man page
setProfPar Man page
setProfPar,Covariance.ar1,numeric-method Man page
setProfPar,Covariance.cs,numeric-method Man page
setProfPar,Covariance.diag,numeric-method Man page
setProfPar,Covariance.us,numeric-method Man page
setTheta Man page
setTheta,Covariance.ar1,numeric-method Man page
setTheta,Covariance.cs,numeric-method Man page
setTheta,Covariance.diag,numeric-method Man page
setTheta,Covariance.us,numeric-method Man page
setVC Man page
setVC,Covariance.ar1,numeric,numeric-method Man page
setVC,Covariance.cs,numeric,numeric-method Man page
setVC,Covariance.diag,numeric,numeric-method Man page
setVC,Covariance.us,numeric,numeric-method Man page
show,lmList4-method Man page
show,merMod-method Man page
show.merMod Man page
show.summary.merMod Man page
sigma Man page
sigma.lmList4 Source code
sigma.merMod Man page Source code
simulate.formula Man page Source code
simulate.formula_lhs Source code
simulate.merMod Man page
sleepstudy Man page
splitFormula Source code
splom.thpr Man page
stripExpr Source code
subbars Man page
subnms Source code
summary Man page
summary.allFit Source code
summary.merMod Man page Source code
summary.prcomplist Source code
summary.summary.merMod Source code
tauij Source code
termnms Source code
terms.merMod Man page Source code
testLevel Source code
toenail Man page
troubleshooting Man page
unscaledVar Source code
update.lmList4 Source code
update.merMod Man page Source code
updateGlmerDevfun Man page
varianceProf Man page Source code
vcconv Man page
vcov.merMod Man page Source code
vcov.summary.merMod Man page Source code
vcov_full Source code
vec2STlist Man page Source code
vec2mlist Man page Source code
weights.merMod Man page Source code
wmsg Source code
xyplot.thpr Man page
zero_padding Source code
lme4 documentation built on March 6, 2026, 1:07 a.m.