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OpenMx
Extended Structural Equation Modelling
View on CRAN: Click
here
Download and install OpenMx package within the R console
Install from CRAN:
install.packages("OpenMx")
Install from Github:
library("remotes")
install_github("cran/OpenMx") Install by package version:
library("remotes")
install_version("OpenMx", "2.22.10") Attach the package and use:
library("OpenMx")
Maintained by
Robert M. Kirkpatrick
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2015-05-19
Latest Update: 2025-05-23
Description:
Create structural equation models that can be manipulated programmatically.
Models may be specified with matrices or paths (LISREL or RAM)
Example models include confirmatory factor, multiple group, mixture
distribution, categorical threshold, modern test theory, differential
Fit functions include full information maximum likelihood, maximum likelihood, and weighted least squares.
equations, state space, and many others.
Support and advanced package binaries available at .
The software is described in Neale, Hunter, Pritikin, Zahery, Brick,
Kirkpatrick, Estabrook, Bates, Maes, & Boker (2016) .
How to cite:
Robert M. Kirkpatrick (2015). OpenMx: Extended Structural Equation Modelling. R package version 2.22.10, https://cran.r-project.org/web/packages/OpenMx. Accessed 16 Jul. 2026.
Previous versions and publish date:
2.2.2 (2015-05-19 08:53), 2.2.4 (2015-05-28 12:02), 2.2.6 (2015-07-17 15:46), 2.3.1 (2015-10-07 09:13), 2.5.1 (2016-02-25 18:34), 2.5.2 (2016-02-29 11:04), 2.6.7 (2016-06-23 00:36), 2.6.8 (2016-07-16 23:07), 2.6.9 (2016-07-28 19:46), 2.7.2 (2017-01-10 19:05), 2.7.3 (2017-01-14 12:12), 2.7.4 (2017-01-17 08:36), 2.7.9-1 (2017-04-13 14:48), 2.7.9 (2017-03-22 17:01), 2.7.10 (2017-04-14 18:38), 2.7.11 (2017-05-06 01:06), 2.7.12 (2017-06-17 02:06), 2.7.13 (2017-07-29 07:46), 2.7.15 (2017-08-08 06:32), 2.7.16 (2017-08-13 07:30), 2.7.17 (2017-09-08 16:58), 2.7.18 (2017-10-15 16:51), 2.8.3 (2017-11-06 17:09), 2.9.6 (2018-03-18 15:05), 2.9.9 (2018-05-11 22:29), 2.10.0 (2018-08-04 00:20), 2.11.3 (2018-09-18 19:00), 2.11.4 (2018-09-25 18:40), 2.11.5 (2018-10-05 17:30), 2.12.1 (2019-01-18 16:00), 2.12.2 (2019-02-08 17:14), 2.13.0 (2019-05-24 10:20), 2.13.1 (2019-05-26 00:41), 2.13.2 (2019-05-27 01:10), 2.14.11 (2019-09-22 19:30), 2.15.3 (2019-11-20 00:10), 2.15.4 (2019-11-21 06:30), 2.15.5 (2019-12-09 15:40), 2.16.0 (2020-02-04 01:30), 2.17.2 (2020-02-15 22:20), 2.17.3 (2020-03-02 14:20), 2.17.4 (2020-06-07 07:40), 2.18.1 (2020-08-28 09:50), 2.19.1 (2021-03-08 18:20), 2.19.5 (2021-04-24 15:10), 2.19.6 (2021-06-28 16:00), 2.19.8 (2021-09-06 08:40), 2.20.0 (2022-01-16 01:02), 2.20.3 (2022-02-01 17:40), 2.20.6 (2022-03-09 11:50), 2.20.7 (2022-10-19 12:38), 2.21.1 (2023-01-20 00:50), 2.21.8 (2023-04-05 22:43), 2.21.10 (2023-11-08 01:00), 2.21.11 (2023-11-28 06:20), 2.21.12 (2024-08-17 09:40), 2.21.13 (2024-10-19 10:40), 2.22.6 (2025-05-19 21:10), 2.22.7 (2025-05-23 22:22), 2.22.9 (2025-08-20 07:02), 2.22.10 (2025-11-07 17:00), (2026-07-09 08:15)
Other packages that cited OpenMx R package
View OpenMx citation profile
Other R packages that OpenMx depends,
imports, suggests or enhances
Complete documentation for OpenMx
Functions, R codes and Examples using
the OpenMx R package
Some associated functions: BaseCompute-class . Bollen_data . DiscreteBase-class . HS.ability.data . LongitudinalOverdispersedCounts . MxAlgebra-class . MxAlgebraFormula-class . MxBaseExpectation-class . MxBaseFitFunction-class . MxBaseNamed-class . MxBaseObjectiveMetaData-class . MxBounds-class . MxCI-class . MxCharOrList-class . MxCharOrLogical-class . MxCharOrNumber-class . MxCompare-class . MxCompute-class . MxConstraint-class . MxData-class . MxDataStatic-class . MxDirectedGraph-class . MxExpectationGREML-class . MxExpectationXclass . MxFitFunction-class . MxFitFunctionGREML-class . MxFlatModel-class . MxInterval-class . MxLISRELModel-class . MxListOrNull-class . MxMMI . MxMatrix-class . MxModel-class . MxOptionalChar-class . MxOptionalCharOrNumber-class . MxOptionalDataFrame-class . MxOptionalDataFrameOrMatrix-class . MxOptionalInteger-class . MxOptionalLogical-class . MxOptionalMatrix-class . MxOptionalNumeric-class . MxPenalty-class . MxRAMGraph-class . MxRAMModel-class . MxVersionType-class . Named-entity . OpenMx . Oscillator_data . as.statusCode . cvectorize . demoOneFactor_data . demoTwoFactor_data . diag2vec . dzfData . dzmData . dzoData . eigenvec . example1_data . example2_data . expm . factorExample1_data . factorScaleExample1_data . factorScaleExample2_data . genericFitDependencies-MxBaseFitFunction-method . imxAddDependency . imxAutoOptionValue . imxCheckMatrices . imxCheckVariables . imxConDecMatrixSlots . imxConstraintRelations . imxConvertIdentifier . imxConvertLabel . imxConvertSubstitution . imxCreateMatrix . imxDataTypes . imxDefaultGetSlotDisplayNames . imxDeparse . imxDependentModels . imxDetermineDefaultOptimizer . imxDmvnorm . imxEvalByName . imxExtractMethod . imxExtractNames . imxExtractReferences . imxExtractSlot . imxFlattenModel . imxFreezeModel . imxGenSwift . imxGenerateLabels . imxGenerateNamespace . imxGenericModelBuilder . imxGentleResize . imxGetNumThreads . imxGetSlotDisplayNames . imxHasConstraint . imxHasDefinitionVariable . imxHasNPSOL . imxHasOpenMP . imxHasThresholds . imxHasWLS . imxIdentifier . imxIndependentModels . imxInitModel . imxIsDefinitionVariable . imxIsMultilevel . imxIsPath . imxIsStateSpace . imxLocateFunction . imxLocateIndex . imxLocateLabel . imxLog . imxLookupSymbolTable . imxModelBuilder . imxModelTypes . imxMpiWrap . imxOriginalMx . imxPPML.Test.Battery . imxPPML.Test.Test . imxPPML . imxPenaltyTypes . imxPreprocessModel . imxReplaceMethod . imxReplaceModels . imxReplaceSlot . imxReportProgress . imxReservedNames . imxReverseIdentifier . imxRobustSE . imxRowGradients . imxSameType . imxSeparatorChar . imxSfClient . imxSimpleRAMPredicate . imxSparseInvert . imxSquareMatrix . imxSymmetricMatrix . imxTypeName . imxUntitledName . imxUntitledNumber . imxUntitledNumberReset . imxUpdateModelValues . imxVariableTypes . imxVerifyMatrix . imxVerifyModel . imxVerifyName . imxVerifyReference . imxWlsChiSquare . imxWlsStandardErrors . jointdata_data . latentMultipleRegExample1_data . latentMultipleRegExample2_data . lazarsfeld_data . logm . multiData1_data . mxAlgebra . mxAlgebraFromString . mxAlgebraObjective . mxAutoStart . mxAvailableOptimizers . mxBootstrap . mxBootstrapEval . mxBootstrapStdizeRAMpaths . mxBounds . mxCI . mxCheckIdentification . mxCompare . mxComputeBootstrap . mxComputeCheckpoint . mxComputeConfidenceInterval . mxComputeDefault . mxComputeEM . mxComputeGenerateData . mxComputeGradientDescent . mxComputeHessianQuality . mxComputeIterate . mxComputeJacobian . mxComputeLoadContext . mxComputeLoadData . mxComputeLoadMatrix . mxComputeLoop . mxComputeNelderMead . mxComputeNewtonRaphson . mxComputeNothing . mxComputeNumericDeriv . mxComputeOnce . mxComputePenaltySearch . mxComputeReportDeriv . mxComputeReportExpectation . mxComputeSequence . mxComputeSetOriginalStarts . mxComputeSimAnnealing . mxComputeStandardError . mxComputeTryCatch . mxComputeTryHard . mxConstraint . mxData . mxDataDynamic . mxDataWLS . mxDescribeDataWLS . mxEval . mxEvaluateOnGrid . mxExpectationBA81 . mxExpectationGREML . mxExpectationHiddenMarkov . mxExpectationLISREL . mxExpectationMixture . mxExpectationNormal . mxExpectationRAM . mxExpectationStateSpace . mxExpectationStateSpaceContinuousTime . mxFIMLObjective . mxFactor . mxFactorScores . mxFitFunctionAlgebra . mxFitFunctionGREML . mxFitFunctionML . mxFitFunctionMultigroup . mxFitFunctionR . mxFitFunctionRow . mxFitFunctionWLS . mxGREMLDataHandler . mxGenerateData . mxGetExpected . mxJiggle . mxKalmanScores . mxLISRELObjective . mxMI . mxMLObjective . mxMakeNames . mxMarginalNegativeBinomial . mxMarginalPoisson . mxMatrix . mxModel . mxNormalQuantiles . mxOption . mxParametricBootstrap . mxPath . mxPearsonSelCov . mxPenalty . mxPenaltyElasticNet . mxPenaltyLASSO . mxPenaltyRidge . mxPenaltySearch . mxPenaltyZap . mxPower . mxRAMObjective . mxRObjective . mxRename . mxRestore . mxRetro . mxRowObjective . mxRun . mxSE . mxSave . mxSetDefaultOptions . mxSimplify2Array . mxStandardizeRAMpaths . mxThreshold . mxTryHard . mxTypes . mxVersion . myAutoregressiveData_data . myFADataRaw . myGrowthKnownClassData_data . myGrowthMixtureData_data . myLongitudinalData_data . myRegDataRaw_data . myRegData_data . myTwinData_data . mzfData . mzmData . nhanesDemo . nuclear_twin_design_data . numHess1 . numHess2 . omxAllInt . omxApply . omxAssignFirstParameters . omxAugmentDataWithWLSSummary . omxBrownie . omxBuildAutoStartModel . omxCheckCloseEnough . omxCheckEquals . omxCheckError . omxCheckIdentical . omxCheckNamespace . omxCheckSetEquals . omxCheckTrue . omxCheckWarning . omxCheckWithinPercentError . omxConstrainMLThresholds . omxDefaultComputePlan . omxDetectCores . omxGetBootstrapReplications . omxGetNPSOL . omxGetParameters . omxGetRAMDepth . omxGraphviz . omxHasDefaultComputePlan . omxLapply . omxLocateParameters . omxLogical . omxManifestModelByParameterJacobian . omxMatrixOperations . omxMnor . omxModelDeleteData . omxNameAnonymousParameters . omxParallelCI . omxQuotes . omxRAMtoML . omxRMSEA . omxReadGRMBin . omxSapply . omxSaturatedModel . omxSelectRowsAndCols . omxSetParameters . omxSymbolTable . ordinalTwinData . predict.MxModel . rvectorize . summary.MxModel . tr . twinData . twin_NA_dot_data . vec2diag . vech . vech2full . vechs . vechs2full .
Some associated R codes: 0ClassUnion.R . DefinitionVars.R . DiagMatrix.R . FullMatrix.R . IdenMatrix.R . LowerMatrix.R . MxAlgebra.R . MxAlgebraConvert.R . MxAlgebraFunctions.R . MxAlgebraObjective.R . MxApply.R . MxAutoStart.R . MxAvailableOptimizers.R . MxBaseNamed.R . MxBounds.R . MxCommunication.R . MxCompare.R . MxCompute.R . MxConstraint.R . MxCycleDetection.R . MxData.R . MxDataWLS.R . MxDeparse.R . MxDependencies.R . MxDetectCores.R . MxErrorHandling.R . MxEval.R . MxExpectation.R . MxExpectationBA81.R . MxExpectationGREML.R . MxExpectationHiddenMarkov.R . MxExpectationLISREL.R . MxExpectationMixture.R . MxExpectationNormal.R . MxExpectationRAM.R . MxExpectationStateSpace.R . MxExponential.R . MxFIMLObjective.R . MxFactorScores.R . MxFitFunction.R . MxFitFunctionAlgebra.R . MxFitFunctionGREML.R . MxFitFunctionML.R . MxFitFunctionMultigroup.R . MxFitFunctionR.R . MxFitFunctionRow.R . MxFitFunctionWLS.R . MxFlatModel.R . MxFlatSearchReplace.R . MxGraph.R . MxGraphviz.R . MxInterval.R . MxLISRELModel.R . MxLISRELObjective.R . MxMI.R . MxMLObjective.R . MxMMI.R . MxMatrix.R . MxMatrixFunctions.R . MxModel.R . MxModelDisplay.R . MxModelFunctions.R . MxModelParameters.R . MxMultiModel.R . MxNamespace.R . MxObjectiveMetaData.R . MxOptions.R . MxPPML.R . MxPath.R . MxPenalty.R . MxPredict.R . MxRAMModel.R . MxRAMObjective.R . MxRAMtoML.R . MxRObjective.R . MxRename.R . MxReservedNames.R . MxRestore.R . MxRetro.R . MxRobustSE.R . MxRowObjective.R . MxRun.R . MxRunHelperFunctions.R . MxSE.R . MxSaturatedModel.R . MxSearchReplace.R . MxSquareBracket.R . MxSummary.R . MxSwift.R . MxThreshold.R . MxTryHard.R . MxTypes.R . MxUnitTesting.R . MxUntitled.R . MxVersion.R . OriginalMx.R . SdiagMatrix.R . StandMatrix.R . SymmMatrix.R . UnitMatrix.R . ZeroMatrix.R . cache.R . omxBrownie.R . omxConstrainThresholds.R . omxGetNPSOL.R . omxReadGRMBin.R . zzz.R . Full OpenMx package functions and examples
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