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umx  

Structural Equation Modeling and Twin Modeling in R
View on CRAN: Click here


Download and install umx package within the R console
Install from CRAN:
install.packages("umx")

Install from Github:
library("remotes")
install_github("cran/umx")

Install by package version:
library("remotes")
install_version("umx", "4.60.0")



Attach the package and use:
library("umx")
Maintained by
Timothy C. Bates
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2015-08-28
Latest Update: 2024-11-15
Description:
Quickly create, run, and report structural equation models, and twin models. See '?umx' for help, and umx_open_CRAN_page("umx") for NEWS. Timothy C. Bates, Michael C. Neale, Hermine H. Maes, (2019). umx: A library for Structural Equation and Twin Modelling in R. Twin Research and Human Genetics, 22, 27-41. <doi:10.1017/thg.2019.2>.
How to cite:
Timothy C. Bates (2015). umx: Structural Equation Modeling and Twin Modeling in R. R package version 4.60.0, https://cran.r-project.org/web/packages/umx. Accessed 25 Aug. 2026.
Previous versions and publish date:
(2026-07-09 06:57), 0.50 (2015-08-28 01:11), 1.0.0 (2015-10-28 00:08), 1.1.0 (2015-12-10 09:52), 1.1.1 (2016-02-07 08:56), 1.1.5 (2016-03-07 01:08), 1.2.0 (2016-03-31 17:51), 1.2.5 (2016-04-03 17:03), 1.2.7 (2016-05-06 23:01), 1.3.0 (2016-08-18 12:40), 1.4.0 (2016-10-13 00:23), 1.4.5 (2016-11-08 18:36), 1.4.9 (2016-12-05 21:43), 1.5.0 (2017-01-13 00:01), 1.5.1 (2017-03-07 13:42), 1.5.5 (2017-03-21 16:13), 1.7.5 (2017-04-07 08:07), 1.9.0 (2017-11-02 13:18), 1.9.1 (2017-11-02 16:28), 2.0.2 (2018-02-14 00:40), 2.4.0 (2018-03-19 16:22), 2.6.5 (2018-04-30 20:02), 2.8.0 (2018-06-19 17:19), 2.8.5 (2018-10-06 18:40), 2.9.0 (2018-12-19 14:30), 2.9.9 (2019-01-18 17:30), 2.10.0 (2019-04-25 10:00), 3.0.0 (2019-09-19 06:50), 3.0.5 (2019-12-06 07:40), 3.0.6 (2020-02-06 10:40), 4.0.0 (2020-05-25 20:40), 4.2.5 (2020-12-12 16:30), 4.3.0 (2021-01-24 14:30), 4.8.0 (2021-05-31 09:10), 4.9.0 (2021-07-04 19:40), 4.10.10 (2021-11-29 09:30), 4.10.50 (2021-12-16 14:10), 4.15.1 (2022-09-20 22:20), 4.16.0 (2023-08-24 18:40), 4.19.0 (2023-11-16 23:50), 4.20.0 (2024-04-11 01:40), 4.21.0 (2024-11-15 04:30), 4.59.0 (2025-10-21 11:10), 4.60.0 (2025-11-17 22:50)
Other packages that cited umx R package
View umx citation profile
Other R packages that umx depends, imports, suggests or enhances
Complete documentation for umx
Functions, R codes and Examples using the umx R package
Some associated functions: Fischbein_wt . FishersMethod . GFF . RMSEA.MxModel . RMSEA . RMSEA.summary.mxmodel . SE_from_p . bucks . deg2rad . dl_from_dropbox . docData . extractAIC.MxModel . fin_JustifiedPE . fin_NI . fin_interest . fin_percent . fin_ticker . fin_valuation . geometric_mean . ggAddR . harmonic_mean . install.OpenMx . iqdat . libs . loadings.MxModel . loadings . noNAs . oddsratio . plot.MxLISRELModel . plot.MxModel . plot.MxModelTwinMaker . plot.percent . power.ACE.test . print.RMSEA . print.oddsratio . print.percent . print.reliability . prolific_anonymize . prolific_check_ID . prolific_read_demog . qm . rad2deg . reliability . residuals.MxModel . tmx_genotypic_effect . tmx_is.identified . tmx_show.MxMatrix . tmx_show.MxModel . tmx_show . umx-deprecated . umx . umxACE . umxACEcov . umxACEv . umxAPA . umxAlgebra . umxBrownie . umxCI . umxCI_boot . umxCLPM . umxCP . umxCompare . umxConfint . umxCov2cor . umxDiagnose . umxDiffMZ . umxDiscTwin . umxDoC . umxDoCp . umxEFA . umxEquate . umxExamples . umxExpCov . umxExpMeans . umxFactor . umxFactorScores . umxFitIndices . umxFixAll . umxGetLatents . umxGetManifests . umxGetModel . umxGetParameters . umxGxE . umxGxE_window . umxGxEbiv . umxHetCor . umxIP . umxJiggle . umxLav2RAM . umxMI . umxMRDoC . umxMatrix . umxMatrixFree . umxModel . umxModelNames . umxModify . umxParameters . umxParan . umxPath . umxPlot . umxPlotACE . umxPlotACEcov . umxPlotACEv . umxPlotCP . umxPlotDoC . umxPlotFun . umxPlotGxE . umxPlotGxEbiv . umxPlotIP . umxPlotSexLim . umxPlotSimplex . umxPower . umxRAM . umxRAM2Lav . umxReduce . umxReduceACE . umxReduceGxE . umxRenameMatrix . umxRotate.MxModelCP . umxRotate . umxRun . umxSetParameters . umxSexLim . umxSimplex . umxSummarizeTwinData . umxSummary.MxModel . umxSummary . umxSummaryACE . umxSummaryACEcov . umxSummaryACEv . umxSummaryCP . umxSummaryDoC . umxSummaryGxE . umxSummaryGxEbiv . umxSummaryIP . umxSummaryMRDoC . umxSummarySexLim . umxSummarySimplex . umxSuperModel . umxThresholdMatrix . umxTwinMaker . umxTwoStage . umxUnexplainedCausalNexus . umxVersion . umxWeightedAIC . umx_APA_pval . umx_aggregate . umx_apply . umx_array_shift . umx_as_numeric . umx_check . umx_check_OS . umx_check_model . umx_check_names . umx_check_parallel . umx_cont_2_quantiles . umx_cor . umx_explode . umx_explode_twin_names . umx_file_load_pseudo . umx_find_object . umx_fun_mean_sd . umx_get_bracket_addresses . umx_get_checkpoint . umx_get_options . umx_grep . umx_has_CIs . umx_has_been_run . umx_has_means . umx_has_square_brackets . umx_is_MxData . umx_is_MxMatrix . umx_is_MxModel . umx_is_RAM . umx_is_class . umx_is_cov . umx_is_endogenous . umx_is_exogenous . umx_is_numeric . umx_is_ordered . umx_long2wide . umx_lower.tri . umx_lower2full . umx_make . umx_make_MR_data . umx_make_TwinData . umx_make_fake_data . umx_make_raw_from_cov . umx_make_sql_from_excel . umx_make_twin_data_nice . umx_means . umx_merge_randomized_columns . umx_move_file . umx_msg . umx_names . umx_open . umx_open_CRAN_page . umx_pad . umx_paste_names . umx_polychoric . umx_polypairwise . umx_polytriowise . umx_print . umx_r_test . umx_read_lower . umx_rename . umx_rename_file . umx_reorder . umx_residualize . umx_rot . umx_round . umx_scale . umx_scale_wide_twin_data . umx_score_scale . umx_select_valid . umx_set_auto_plot . umx_set_auto_run . umx_set_checkpoint . umx_set_condensed_slots . umx_set_cores . umx_set_data_variance_check . umx_set_dollar_symbol . umx_set_optimization_options . umx_set_optimizer . umx_set_plot_file_suffix . umx_set_plot_format . umx_set_plot_use_hrbrthemes . umx_set_separator . umx_set_silent . umx_set_table_format . umx_stack . umx_standardize . umx_str_chars . umx_str_from_object . umx_string_to_algebra . umx_strings2numeric . umx_time . umx_trim . umx_var . umx_wide2long . umx_write_to_clipboard . us_skinfold_data . xmuHasSquareBrackets . xmuLabel . xmuLabel_MATRIX_Model . xmuLabel_Matrix . xmuLabel_RAM_Model . xmuMI . xmuMakeDeviationThresholdsMatrices . xmuMakeOneHeadedPathsFromPathList . xmuMakeTwoHeadedPathsFromPathList . xmuMaxLevels . xmuMinLevels . xmuPropagateLabels . xmuRAM2Ordinal . xmuTwinSuper_Continuous . xmuTwinSuper_NoBinary . xmuTwinUpgradeMeansToCovariateModel . xmuValues . xmu_CI_merge . xmu_CI_stash . xmu_DF_to_mxData_TypeCov . xmu_PadAndPruneForDefVars . xmu_bracket_address2rclabel . xmu_cell_is_on . xmu_check_levels_identical . xmu_check_needs_means . xmu_check_variance . xmu_clean_label . xmu_data_missing . xmu_data_swap_a_block . xmu_describe_data_WLS . xmu_dot_define_shapes . xmu_dot_make_paths . xmu_dot_make_residuals . xmu_dot_maker . xmu_dot_mat2dot . xmu_dot_move_ranks . xmu_dot_rank . xmu_dot_rank_str . xmu_extract_column . xmu_get_CI . xmu_lavaan_process_group . xmu_make_TwinSuperModel . xmu_make_bin_cont_pair_data . xmu_make_mxData . xmu_match.arg . xmu_name_from_lavaan_str . xmu_path2twin . xmu_path_regex . xmu_print_algebras . xmu_rclabel_2_bracket_address . xmu_safe_run_summary . xmu_set_sep_from_suffix . xmu_show_fit_or_comparison . xmu_simplex_corner . xmu_standardize_ACE . xmu_standardize_ACEcov . xmu_standardize_ACEv . xmu_standardize_CP . xmu_standardize_IP . xmu_standardize_RAM . xmu_standardize_SexLim . xmu_standardize_Simplex . xmu_start_value_list . xmu_starts . xmu_summary_RAM_group_parameters . xmu_twin_add_WeightMatrices . xmu_twin_check . xmu_twin_get_var_names . xmu_twin_make_def_means_mats_and_alg . xmu_twin_upgrade_selDvs2SelVars . 
Some associated R codes: TRHG_code.R . build_run_modify.R . datasets.R . deprecated.R . fit_and_reporting.R . lavanify2ram.R . misc_and_utility.R . package.R . tmx.R . umxCLPM.R . umxDoC.R . umxDoCbyPath.R . umxMRDoC.R . umxMatrixFree.R . umxPower.R . umx_build_high_level_models.R . umx_build_polychoricMatrix3.R . umx_build_umxACEv.R . umx_build_umxGxEbiv.R . umx_build_umxSexLim.R . umx_build_umxSimplex.R . umx_fit_stash_CIs.R . umx_fit_umxFitIndices.R . xmu.R . xmu_make_top_twin_models.R .  Full umx package functions and examples
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