Quickly create, run, and report structural equation and twin models.
See '?umx' for help, and umx_open_CRAN_page("umx") for NEWS.
Citations are:
* 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>.
* Luis F.S. Castro-de-Araujo, Nathan A. Gillespie, Michael C. Neale, and Timothy Charles Bates (2026). umx version 4.5: Extending Twin and Path-Based SEM in R with CLPM, MR-DoC, Definition Variables, Onyx Integration, and Censored Distributions. Twin Research and Human Genetics, 1-6. <doi:10.1017/thg.2026.10056>.
| Version: |
4.80.0 |
| Depends: |
R (≥ 4.1.0), OpenMx (≥ 2.20.0) |
| Imports: |
cowplot, DiagrammeR, gert, ggplot2, kableExtra, knitr, lavaan, MASS, Matrix, methods, MuMIn, mvtnorm, nlme, openxlsx, paran, polycor, quantmod, R2HTML, RCurl, scales, utils, xtable, zoo |
| Suggests: |
remotes, devtools, pak, spelling, testthat, withr, R.utils, data.table, car, cocor, GPArotation, httr2, parallel, psychTools, psych, pwr, piggyback, rmarkdown, rhub, ssh |
| Enhances: |
DiagrammeRsvg, rsvg |
| Published: |
2026-10-11 |
| DOI: |
10.32614/CRAN.package.umx |
| Author: |
Timothy C. Bates 
[aut, cre],
Luis De Araujo [ctb],
Nathan Gillespie [wit],
Hermine Maes [ctb],
Michael C. Neale [ctb],
Joshua N. Pritikin [ctb],
Brenton Wiernik [ctb],
Michael Zakharin [wit] |
| Maintainer: |
Timothy C. Bates <timothy.c.bates at gmail.com> |
| BugReports: |
https://github.com/tbates/umx/issues |
| License: |
GPL-3 |
| URL: |
https://github.com/tbates/umx#readme |
| NeedsCompilation: |
no |
| Language: |
en-US |
| Citation: |
umx citation info |
| Materials: |
README, NEWS, INSTALL |
| CRAN checks: |
umx results [issues need fixing before 2026-11-01] |