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Discussion group for blavaan, an R package for Bayesian latent variable analysis.
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Roy Levy
,
Ed Merkle
2
Sep 11
Error when doing measurement invariance
Hi Roy, Thanks for the report. This looks like a problem caused by some restructuring of how blavaan
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Error when doing measurement invariance
Hi Roy, Thanks for the report. This looks like a problem caused by some restructuring of how blavaan
Sep 11
Terrence Jorgensen
Sep 10
2026 meeting of the SEM Working Group
Apologies for any cross-posting: Dear colleagues, On behalf of local organizers Artur Pokropek and
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2026 meeting of the SEM Working Group
Apologies for any cross-posting: Dear colleagues, On behalf of local organizers Artur Pokropek and
Sep 10
Monish Shah
, …
Mauricio Garnier-Villarreal
5
Aug 6
Batched Sampling Analysis Question
A couple of ideas, Could run the model with each separate data set and - use the multiple imputation
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Batched Sampling Analysis Question
A couple of ideas, Could run the model with each separate data set and - use the multiple imputation
Aug 6
Ed Merkle
Jul 24
Workshop slides
Last week, I gave a workshop on Bayesian methods and blavaan at the 2025 IMPS conference. Materials
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Workshop slides
Last week, I gave a workshop on Bayesian methods and blavaan at the 2025 IMPS conference. Materials
Jul 24
Terrence Jorgensen
Jul 17
SAVE THE DATE: The International Conference on Multilevel Analysis
Apologies for cross-posting. Below is an announcement I am forwarding, on behalf of conference
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SAVE THE DATE: The International Conference on Multilevel Analysis
Apologies for cross-posting. Below is an announcement I am forwarding, on behalf of conference
Jul 17
Spencer Aeschliman
, …
Terrence Jorgensen
5
Jul 17
Running blavaan model with Rstan
2) Is there an easy way to recover the parameter names as written in the lavaan model syntax? There
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Running blavaan model with Rstan
2) Is there an easy way to recover the parameter names as written in the lavaan model syntax? There
Jul 17
Roy Levy
,
Ed Merkle
5
Apr 17
Beta prior on latent variable correlations, when there are more than 2 latent variables
Thanks Ed. Regarding relabeling: I see the complications with multiple latent variables. And the
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Beta prior on latent variable correlations, when there are more than 2 latent variables
Thanks Ed. Regarding relabeling: I see the complications with multiple latent variables. And the
Apr 17
Mike Padilla
,
Mauricio Garnier-Villarreal
2
Apr 4
BAMI
Dear Miguel Would be called "approximate" when you use wiggle. Otherwise, it would be just
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BAMI
Dear Miguel Would be called "approximate" when you use wiggle. Otherwise, it would be just
Apr 4
Carolien T.
, …
Mauricio Garnier-Villarreal
5
Apr 3
absence of evidence using Blavaan / BSEM?
Thanks a lot for the sources and additional information on how to approach this further. Great to see
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absence of evidence using Blavaan / BSEM?
Thanks a lot for the sources and additional information on how to approach this further. Great to see
Apr 3
Curtis Atkisson
,
Ed Merkle
3
Mar 7
Error when excluding a specific variable from a model
I believe that this problem is now fixed on github. It was an edge case related to missing data
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Error when excluding a specific variable from a model
I believe that this problem is now fixed on github. It was an edge case related to missing data
Mar 7
J S
, …
Mauricio Garnier-Villarreal
6
Feb 28
Discrepancy Between MGCFA and Bayesian Approximate Measurement Invariance in blavaan
Thank you for all the additional considerations and insights, especially for the reflection on the
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Discrepancy Between MGCFA and Bayesian Approximate Measurement Invariance in blavaan
Thank you for all the additional considerations and insights, especially for the reflection on the
Feb 28
Gokay Kirtil
,
Mauricio Garnier-Villarreal
2
Jan 24
Power Analysis & Sample Size estimation
Hi Gokay There is no agreement on what "power analysis" means in Bayesian methods. I have
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Power Analysis & Sample Size estimation
Hi Gokay There is no agreement on what "power analysis" means in Bayesian methods. I have
Jan 24
Curtis Atkisson
,
Ed Merkle
6
Jan 17
Error about missing data with categorical predictor
Thanks, I think I see what is going on. It should work if you explicitly add the "ordered"
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Error about missing data with categorical predictor
Thanks, I think I see what is going on. It should work if you explicitly add the "ordered"
Jan 17
Lang Lang
,
Ed Merkle
2
Jan 15
Intercepts estimate using bcfa()
Lang, Try adding the argument meanstructure = TRUE to your bcfa() command. Some models only require a
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Intercepts estimate using bcfa()
Lang, Try adding the argument meanstructure = TRUE to your bcfa() command. Some models only require a
Jan 15
Mpop
, …
Mauricio Garnier-Villarreal
9
12/22/24
Null model in blavaan?
This is not how I would recommend to use these models. But, if you want to focus on it, yes, the BIC
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Null model in blavaan?
This is not how I would recommend to use these models. But, if you want to focus on it, yes, the BIC
12/22/24
Felix Suh
,
Ed Merkle
3
10/25/24
bsem () running
Hello Ed, Thank you for your quick reply. It WORKs with the lastest version. Thanks a lot!! Best
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bsem () running
Hello Ed, Thank you for your quick reply. It WORKs with the lastest version. Thanks a lot!! Best
10/25/24
HeeDong Yoon
, …
Mauricio Garnier-Villarreal
8
10/4/24
Multilevel BSEM
HeeDong This is larger issue, how to evaluate model fit Multilevel BSEM? For now, we have develop
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Multilevel BSEM
HeeDong This is larger issue, how to evaluate model fit Multilevel BSEM? For now, we have develop
10/4/24
Curtis Atkisson
, …
Roy Levy
4
9/6/24
Simultaneously fitting a regression model for a factor score within an SEM
Hi Curtis, Ed, and the group, I'll echo Ed in saying this looks to me to be an instance of
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Simultaneously fitting a regression model for a factor score within an SEM
Hi Curtis, Ed, and the group, I'll echo Ed in saying this looks to me to be an instance of
9/6/24
Ed Merkle
9/5/24
blavaan 0.5-6
blavaan 0.5-6 is now on CRAN, including bug fixes and other small improvements. Ed
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blavaan 0.5-6
blavaan 0.5-6 is now on CRAN, including bug fixes and other small improvements. Ed
9/5/24
Hope Reuschel
, …
Mauricio Garnier-Villarreal
4
9/3/24
Role of "wiggle" priors in blavaan estimation for approximate invariance testing
Hongwei 1. Is it correct to say that, by default, in blavaan, the first group is the reference group
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Role of "wiggle" priors in blavaan estimation for approximate invariance testing
Hongwei 1. Is it correct to say that, by default, in blavaan, the first group is the reference group
9/3/24
Lang Lang
,
Ed Merkle
6
8/19/24
second-order cfa model working for lavaan but not for blavaan
Thank you so much Ed, it works perfectly now! On Friday, August 16, 2024 at 10:39:58 PM UTC-4 Ed
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second-order cfa model working for lavaan but not for blavaan
Thank you so much Ed, it works perfectly now! On Friday, August 16, 2024 at 10:39:58 PM UTC-4 Ed
8/19/24
Rosie
, …
Mauricio Garnier-Villarreal
9
7/17/24
bsem with binary outcome variable
Yes, with the same argument as lavaan, it is ordered=T On Tuesday, July 16, 2024 at 10:16:41 AM UTC+2
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bsem with binary outcome variable
Yes, with the same argument as lavaan, it is ordered=T On Tuesday, July 16, 2024 at 10:16:41 AM UTC+2
7/17/24
Mauricio Garnier-Villarreal
7/1/24
Special Issue on Data Analysis for Behavioral Medicine
Special Issue on Data Analysis for Behavioral Medicine A special issue of the Journal of Behavioral
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Special Issue on Data Analysis for Behavioral Medicine
Special Issue on Data Analysis for Behavioral Medicine A special issue of the Journal of Behavioral
7/1/24
Pedro Ribeiro
,
Mauricio Garnier-Villarreal
3
6/27/24
HPD for models with indirect and total effects
Hi Mauricio, Thanks so much, this is really helpful! Cheers, Pedro Em quarta-feira, 26 de junho de
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HPD for models with indirect and total effects
Hi Mauricio, Thanks so much, this is really helpful! Cheers, Pedro Em quarta-feira, 26 de junho de
6/27/24
Niels Skovgaard-Olsen
, …
Mauricio Garnier-Villarreal
9
6/26/24
conditional means for multi-group sem model
Hi! yes, it appears that the error occurs, because there are no latent variables in the model, which
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conditional means for multi-group sem model
Hi! yes, it appears that the error occurs, because there are no latent variables in the model, which
6/26/24
Adam Moore
,
Ed Merkle
2
6/2/24
bcfa with target = 'vb' and additional control
Thanks for the message. For target = 'vb', the bcontrol thing seems to work for at least some
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bcfa with target = 'vb' and additional control
Thanks for the message. For target = 'vb', the bcontrol thing seems to work for at least some
6/2/24
Giada Venaruzzo
, …
Mauricio Garnier-Villarreal
13
6/1/24
BSEM for ordinal data
I think it also goes the issue of interpretability. The log(variables) are less skew, but the model
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BSEM for ordinal data
I think it also goes the issue of interpretability. The log(variables) are less skew, but the model
6/1/24
Fernanda Beggio
,
Mauricio Garnier-Villarreal
2
5/29/24
LOO
can you show the full code, models, and output that gets you this error? It seems there are some
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LOO
can you show the full code, models, and output that gets you this error? It seems there are some
5/29/24
Gabe Avakian Orona
,
Ed Merkle
7
5/24/24
Blavaan: Prior Predictive Check Error
Hi Ed, Thank you very much. That worked great. Appreciate your help. Best, Gabe On Wed, May 22, 2024
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Blavaan: Prior Predictive Check Error
Hi Ed, Thank you very much. That worked great. Appreciate your help. Best, Gabe On Wed, May 22, 2024
5/24/24
Fernanda Beggio
,
Mauricio Garnier-Villarreal
2
5/21/24
BCFI and BTLI.
Hi You could look at ways to modify the model like using modification indices https://ecmerkle.github
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BCFI and BTLI.
Hi You could look at ways to modify the model like using modification indices https://ecmerkle.github
5/21/24