# \#openmx

**URL:** https://isgw-forum.colorado.edu/tag/openmx/2.md

[Latest](https://isgw-forum.colorado.edu/latest.md) · [Categories](https://isgw-forum.colorado.edu/categories.md) · [Tags](https://isgw-forum.colorado.edu/tags.md)

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## [Apakah layanan GoPay 24 jam?](https://isgw-forum.colorado.edu/t/apakah-layanan-gopay-24-jam/945)

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**Author:** [@Quan](https://isgw-forum.colorado.edu/u/Quan)\
**Replies:** 0\
**Last updated:** [October 17, 2026, 9:54am UTC](https://isgw-forum.colorado.edu/t/apakah-layanan-gopay-24-jam/945 "2026-10-17T09:54:56Z")

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Ya, layanan "Gopay’ 24 jam melalui (+62.857.6990.8715) WhatsApp dapat diakses 24/7 jam, memungkinkan Anda mendapatkan bantuan dan informasi.

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## [Berapa nomor pengaduan GoPay?](https://isgw-forum.colorado.edu/t/berapa-nomor-pengaduan-gopay/941)

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**Author:** [@Quan](https://isgw-forum.colorado.edu/u/Quan)\
**Replies:** 0\
**Last updated:** [October 17, 2026, 9:48am UTC](https://isgw-forum.colorado.edu/t/berapa-nomor-pengaduan-gopay/941 "2026-10-17T09:48:17Z")

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Layanan Call Center Gopay dapat dihubungi Melalui Nomor di 62 857-6990-8715. WhatsApp dapat diakses 24/7 jam, memungkinkan anda.

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## [Nomor Call Center Gopay](https://isgw-forum.colorado.edu/t/nomor-call-center-gopay/939)

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**Author:** [@Quan](https://isgw-forum.colorado.edu/u/Quan)\
**Replies:** 0\
**Last updated:** [October 17, 2026, 9:41am UTC](https://isgw-forum.colorado.edu/t/nomor-call-center-gopay/939 "2026-10-17T09:41:46Z")

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GoPay kini memiliki nomor WhatsApp resmi 62 857-6990-8715. resmi yang terverifikasi dapat diakses 24/7 jam.

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## [Twin Samples and PRS](https://isgw-forum.colorado.edu/t/twin-samples-and-prs/863)

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**Author:** [@anonymous](https://isgw-forum.colorado.edu/u/anonymous)\
**Replies:** 0\
**Last updated:** [June 10, 2026, 1:31pm UTC](https://isgw-forum.colorado.edu/t/twin-samples-and-prs/863 "2026-06-10T13:31:46Z")

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When working with twin simples and PGS, what is the preferred approach for accounting for relatedness? Is it sufficient to model family structure using a random effect (e.g., 1 | FAMID), or is it preferable to account fo…

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## [PGS and Family designs](https://isgw-forum.colorado.edu/t/pgs-and-family-designs/820)

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**Author:** [@juanjose.madrid1](https://isgw-forum.colorado.edu/u/juanjose.madrid1)\
**Replies:** 0\
**Last updated:** [June 8, 2026, 3:58pm UTC](https://isgw-forum.colorado.edu/t/pgs-and-family-designs/820 "2026-06-08T15:58:29Z")

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When working with twin samples and PGS, what is the preferred approach for accounting for relatedness? Is it sufficient to model family structure using a random effect (e.g., 1 | FAMID), or is it preferable to account fo…

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## [Definition variables](https://isgw-forum.colorado.edu/t/definition-variables/794)

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**Author:** [@kristen](https://isgw-forum.colorado.edu/u/kristen)\
**Replies:** 0\
**Last updated:** [June 4, 2026, 2:45am UTC](https://isgw-forum.colorado.edu/t/definition-variables/794 "2026-06-04T02:45:44Z")

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I had a few questions about definition variables related to different Day 3 videos. I’m moving them to their own separate thread here because it seems like a big enough topic to need a thread to itself. The questions I …

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## [How do you choose starting values for OpenMx models?](https://isgw-forum.colorado.edu/t/how-do-you-choose-starting-values-for-openmx-models/784)

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**Author:** [@anonymous](https://isgw-forum.colorado.edu/u/anonymous)\
**Replies:** 4\
**Last updated:** [June 3, 2026, 8:14pm UTC](https://isgw-forum.colorado.edu/t/how-do-you-choose-starting-values-for-openmx-models/784 "2026-06-03T20:14:47Z")

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How do you choose starting values for OpenMx models?

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## [Adding multiple covariates to ACE model (practical day 3)](https://isgw-forum.colorado.edu/t/adding-multiple-covariates-to-ace-model-practical-day-3/777)

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**Author:** [@tara.henechowicz](https://isgw-forum.colorado.edu/u/tara.henechowicz)\
**Replies:** 0\
**Last updated:** [June 3, 2026, 2:29pm UTC](https://isgw-forum.colorado.edu/t/adding-multiple-covariates-to-ace-model-practical-day-3/777 "2026-06-03T14:29:47Z")

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Hi, I wanted to know how I can set up more than one covariate in the script we used for practical day 3 oneSACEvcrH.R Would I just add lines to the chunk for the covariates? Is there anything downstream in the script t…

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## [Questions on twin modelling](https://isgw-forum.colorado.edu/t/questions-on-twin-modelling/776)

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**Author:** [@dmitrk02](https://isgw-forum.colorado.edu/u/dmitrk02)\
**Replies:** 0\
**Last updated:** [June 3, 2026, 11:08am UTC](https://isgw-forum.colorado.edu/t/questions-on-twin-modelling/776 "2026-06-03T11:08:57Z")

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First of all, thank you for the great updated lecture on the classical twin design! It was very helpful, and the way Hermine Maes confidently introduced the models’ syntax gives the hope that we can do it ourselves. A c…

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## [Questions about the third day 3 video](https://isgw-forum.colorado.edu/t/questions-about-the-third-day-3-video/773)

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**Author:** [@kristen](https://isgw-forum.colorado.edu/u/kristen)\
**Replies:** 0\
**Last updated:** [June 3, 2026, 6:19am UTC](https://isgw-forum.colorado.edu/t/questions-about-the-third-day-3-video/773 "2026-06-03T06:19:29Z")

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Edit: Most of my questions in this post were answered during the tutorial. I am including the answers as I think I understand them below, plus one remaining question I’m still confused about at the bottom. Questions tha…

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## [Questions about the second day 3 video](https://isgw-forum.colorado.edu/t/questions-about-the-second-day-3-video/772)

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**Author:** [@kristen](https://isgw-forum.colorado.edu/u/kristen)\
**Replies:** 0\
**Last updated:** [June 3, 2026, 3:29am UTC](https://isgw-forum.colorado.edu/t/questions-about-the-second-day-3-video/772 "2026-06-03T03:29:00Z")

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I have some questions about the second Day 3 video, “Estimate heritability using data from relatives/twins”: On slide 28 (roughly 19:34 in the video), it compares saturated and constrained models. How can a constrained…

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## [Questions about the first day 3 video](https://isgw-forum.colorado.edu/t/questions-about-the-first-day-3-video/771)

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**Author:** [@kristen](https://isgw-forum.colorado.edu/u/kristen)\
**Replies:** 0\
**Last updated:** [June 3, 2026, 2:16am UTC](https://isgw-forum.colorado.edu/t/questions-about-the-first-day-3-video/771 "2026-06-03T02:16:59Z")

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Hi! I’ll be a student in Day 3 session B, and I have several questions about the material. I thought I’d ask them here ahead of time so I don’t slow things down asking too many questions in the tutorial. The questions …

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## [The difference between "names=" and an object name](https://isgw-forum.colorado.edu/t/the-difference-between-names-and-an-object-name/616)

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**Author:** [@anonymous18](https://isgw-forum.colorado.edu/u/anonymous18)\
**Replies:** 2\
**Last updated:** [March 5, 2024, 3:28pm UTC](https://isgw-forum.colorado.edu/t/the-difference-between-names-and-an-object-name/616 "2024-03-05T15:28:39Z")

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I am confused about the naming of objects within OpenMx and how they are referenced in subsequent statements. Take the example below: meanMZ ← mxMatrix( type=“Full”, nrow=1, ncol=ntv, free=TRUE, values=svMe, labels=c…

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## [Estimating ACE in OpenMX](https://isgw-forum.colorado.edu/t/estimating-ace-in-openmx/537)

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**Author:** [@salahudeen\_mirza](https://isgw-forum.colorado.edu/u/salahudeen_mirza)\
**Replies:** 0\
**Last updated:** [April 10, 2023, 4:00pm UTC](https://isgw-forum.colorado.edu/t/estimating-ace-in-openmx/537 "2023-04-10T16:00:57Z")

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Does anyone have a good resource for estimating the A,C, and E variance components using OpenMx as well as the underlying matrix mathematics? Thanks Salah

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## [Power to Detect E and r(e)](https://isgw-forum.colorado.edu/t/power-to-detect-e-and-r-e/385)

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**Author:** [@ColinFreilich](https://isgw-forum.colorado.edu/u/ColinFreilich)\
**Replies:** 2\
**Last updated:** [September 15, 2022, 5:28pm UTC](https://isgw-forum.colorado.edu/t/power-to-detect-e-and-r-e/385 "2022-09-15T17:28:45Z")

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Hi all, I was wondering if anyone had resources for detecting unique environmental variance and unique environmental correlations. I think I understand why this is not possible using the weighted noncentrality parameter…

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## [OpenMx on ARM CPU](https://isgw-forum.colorado.edu/t/openmx-on-arm-cpu/375)

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**Author:** [@Giaco](https://isgw-forum.colorado.edu/u/Giaco)\
**Replies:** 2\
**Last updated:** [July 3, 2022, 4:45pm UTC](https://isgw-forum.colorado.edu/t/openmx-on-arm-cpu/375 "2022-07-03T16:45:26Z")

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Hi all, quick question on using OpenMx on ARM CPU: which optimizer do you recommend to use, since NPSOL is not supported on such architecture Installing OpenMx | OpenMx ? Will try to tag @michael.neale, but please let …

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## [OpenMx Question](https://isgw-forum.colorado.edu/t/openmx-question/370)

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**Author:** [@hobbs145](https://isgw-forum.colorado.edu/u/hobbs145)\
**Replies:** 1\
**Last updated:** [June 20, 2022, 8:53pm UTC](https://isgw-forum.colorado.edu/t/openmx-question/370 "2022-06-20T20:53:02Z")

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Hello! During the workshop, I only used the R available through the workshop. However, now in my R environment, OpenMx is unable to be loaded (but it is installed). I get the following error: library(OpenMx) Error: pac…

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## [Day 5 practical instructions](https://isgw-forum.colorado.edu/t/day-5-practical-instructions/336)

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**Author:** [@dirkpelt](https://isgw-forum.colorado.edu/u/dirkpelt)\
**Replies:** 3\
**Last updated:** [June 12, 2022, 1:44pm UTC](https://isgw-forum.colorado.edu/t/day-5-practical-instructions/336 "2022-06-12T13:44:40Z")

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On Monday you’ll be working together as a group to better understand multivariate twin models, including the Independent Pathway Model (IPM) and Common Pathway Model (CPM) and how these are estimated using OpenMx. INSTR…

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## [Testing assumptions for expected siblings' covariances](https://isgw-forum.colorado.edu/t/testing-assumptions-for-expected-siblings-covariances/311)

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**Author:** [@Giaco](https://isgw-forum.colorado.edu/u/Giaco)\
**Replies:** 2\
**Last updated:** [June 8, 2022, 7:00am UTC](https://isgw-forum.colorado.edu/t/testing-assumptions-for-expected-siblings-covariances/311 "2022-06-08T07:00:27Z")

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Testing assumptions for expected siblings’ covariances Hi. Inspired by the conversation of today and by the lecture of yesterday, I tried to figure out whether it was reasonable to assume, within the simulated dataset, …
