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Welcome to the lavaan discussion group. Lavaan is an R package for latent variable analysis.
If you enjoy using lavaan, please consider giving a donation to support the lavaan project. See:
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Anna Ramos Chernenko
,
Stas Kolenikov
5
3:20 PM
lavaan.survey Warning: some of the standard errors may not be trustworthy...
Hi here again dear Stas Kolenikov, I am quite confussed, as some forum entries as this one I have
unread,
lavaan.survey Warning: some of the standard errors may not be trustworthy...
Hi here again dear Stas Kolenikov, I am quite confussed, as some forum entries as this one I have
3:20 PM
Pierre-Charles Soulié
,
Yago Luksevicius de Moraes
4
10:18 AM
How to fix error variance to zero ?
Hi, Pierre, I'm afraid I have no experience at using `simsem` in matrix style, but as I see, this
unread,
How to fix error variance to zero ?
Hi, Pierre, I'm afraid I have no experience at using `simsem` in matrix style, but as I see, this
10:18 AM
lavaanrookie99
Oct 19
Including Control variables / Covariates in SEM
Hi there, I am planning to conduct a SEM analysis, where instructional quality will serve as the
unread,
Including Control variables / Covariates in SEM
Hi there, I am planning to conduct a SEM analysis, where instructional quality will serve as the
Oct 19
Thomas
Oct 18
Modeling mean structure / identification issue
Hi all, Relatively new to lavaan. I am trying to conduct a latent change score analysis with two time
unread,
Modeling mean structure / identification issue
Hi all, Relatively new to lavaan. I am trying to conduct a latent change score analysis with two time
Oct 18
MD Oliur Rahman Tarek
, …
Shu Fai Cheung (張樹輝)
4
Oct 17
lavaan syntax for covariances among a large set of factors in CFA
Hi, I happened to have encountered something similar in my work. You can generate syntax for the
unread,
lavaan syntax for covariances among a large set of factors in CFA
Hi, I happened to have encountered something similar in my work. You can generate syntax for the
Oct 17
Maria Vale
,
Edward Rigdon
3
Oct 17
CFA (RMSEA) and MGCFA (variance-covariance matrix)
I don't have any great ideas. The model is simple enough, and sample sizes appear adequate for
unread,
CFA (RMSEA) and MGCFA (variance-covariance matrix)
I don't have any great ideas. The model is simple enough, and sample sizes appear adequate for
Oct 17
lavaanrookie99
, …
Pierre-Charles Soulié
6
Oct 17
Bifactor Model: Computation of robust CFI / RMSEA failed
Hi lavaanrookie99, With a bifactor S-1 model you can't ask the same question as with a bifactor
unread,
Bifactor Model: Computation of robust CFI / RMSEA failed
Hi lavaanrookie99, With a bifactor S-1 model you can't ask the same question as with a bifactor
Oct 17
Stephanie Kliethermes
,
Yago Luksevicius de Moraes
2
Oct 17
Testing Strict versus scalar invariance in lavaan.mi and getting same result
Hi, Steph, Lavaan's default is to use delta parameterization, which does not model the residuals
unread,
Testing Strict versus scalar invariance in lavaan.mi and getting same result
Hi, Steph, Lavaan's default is to use delta parameterization, which does not model the residuals
Oct 17
Maria Vale
Oct 16
CFA (RMSEA) and MGCFA (variance-covariance matrix)
Hi! Thank you for your previous help. I removed the free residual covariance as suggested, but the
unread,
CFA (RMSEA) and MGCFA (variance-covariance matrix)
Hi! Thank you for your previous help. I removed the free residual covariance as suggested, but the
Oct 16
mzy...@instats.org
Oct 16
Growth Modeling with SEM - Livestream Seminar
Hi everyone Instats is offering a new 2-day workshop Growth Modeling with SEM in Mplus and R (lavaan)
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Growth Modeling with SEM - Livestream Seminar
Hi everyone Instats is offering a new 2-day workshop Growth Modeling with SEM in Mplus and R (lavaan)
Oct 16
Pierre-Charles Soulié
, …
Christian Arnold
9
Oct 15
Schmid-Leiman Transformation
Taken from your very first post: 'found: V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16
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Schmid-Leiman Transformation
Taken from your very first post: 'found: V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16
Oct 15
AAS
Oct 15
srmr or srmr_bentler
Dear all, I was wondering if it's better to report srmr or srmr_bentler in the results? Thank you
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srmr or srmr_bentler
Dear all, I was wondering if it's better to report srmr or srmr_bentler in the results? Thank you
Oct 15
blairmid
Oct 14
Help calculating mediation effects with binary moderator
Hi lavaan group, I am trying to test a moderated mediation model that utilizes multilevel data (
unread,
Help calculating mediation effects with binary moderator
Hi lavaan group, I am trying to test a moderated mediation model that utilizes multilevel data (
Oct 14
J Pap
Oct 13
A priori power analysis for regression using simsem
Hi! I have been using the simsem tutorial (https://link.springer.com/article/10.3758/s13428-022-01996
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A priori power analysis for regression using simsem
Hi! I have been using the simsem tutorial (https://link.springer.com/article/10.3758/s13428-022-01996
Oct 13
AAS
,
Terrence Jorgensen
3
Oct 13
Robust values not available for some models, report scaled for all models?
Dear Terrence, Thank you for your answer. Would it be possible to use MLR instead (even if items have
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Robust values not available for some models, report scaled for all models?
Dear Terrence, Thank you for your answer. Would it be possible to use MLR instead (even if items have
Oct 13
Zhihao Zhao
,
Jeremy Miles
2
Oct 10
Question on Lavaan error
This error is not about your code, it's about your data. If you only have 9 observations, and
unread,
Question on Lavaan error
This error is not about your code, it's about your data. If you only have 9 observations, and
Oct 10
Anna Mayer
, …
Brydon Grant
5
Oct 9
Error Message CFA: non positive-definite covariance matrix - further inspection
Thank you all so much! I further inspected my results, and indeed, I have a number of model
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Error Message CFA: non positive-definite covariance matrix - further inspection
Thank you all so much! I further inspected my results, and indeed, I have a number of model
Oct 9
Stephanie Kliethermes
Oct 9
Specifying a 3 Factor Parallel CFA Model based on tau-equivalent model
Hi, I'm still learning the ropes of CFA and am currently trying to (minimally) show partial tau-
unread,
Specifying a 3 Factor Parallel CFA Model based on tau-equivalent model
Hi, I'm still learning the ropes of CFA and am currently trying to (minimally) show partial tau-
Oct 9
mzy...@instats.org
Oct 8
Using Confidence Intervals for Visual Testing - free seminars
Hi everyone Instats is pleased to be offering free seminars on Using Confidence Intervals for Visual
unread,
Using Confidence Intervals for Visual Testing - free seminars
Hi everyone Instats is pleased to be offering free seminars on Using Confidence Intervals for Visual
Oct 8
Juseob Lee
Oct 8
Department Chair and Professor of Psychology at the University of Tulsa
Dear Colleagues, The Psychology Department at the University of Tulsa (TU) is searching for a senior
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Department Chair and Professor of Psychology at the University of Tulsa
Dear Colleagues, The Psychology Department at the University of Tulsa (TU) is searching for a senior
Oct 8
Pierre-Charles Soulié
,
Edward Rigdon
4
Oct 6
Identification issue with formative construct
Pierre-Charles-- In this model you have COG and PAF forming OVA, and then OVA predicting LOY, but you
unread,
Identification issue with formative construct
Pierre-Charles-- In this model you have COG and PAF forming OVA, and then OVA predicting LOY, but you
Oct 6
yf liu
,
Rönkkö, Mikko
2
Oct 5
longitudinal invariance
Hi, You can use time as a group variable and test measurement invariance that way. The reason why we
unread,
longitudinal invariance
Hi, You can use time as a group variable and test measurement invariance that way. The reason why we
Oct 5
J
Oct 4
Potential bug/error?
Hi all, Has anyone experienced that before? After calling Lavaan, I received a warning (see below). I
unread,
Potential bug/error?
Hi all, Has anyone experienced that before? After calling Lavaan, I received a warning (see below). I
Oct 4
Cantyo Dannis
,
Yago Luksevicius de Moraes
3
Oct 4
Longitudinal Mediation Analysis with Binary DV
Hello. I don't see anything wrong with model fitz1 and the warning simply says that it did not
unread,
Longitudinal Mediation Analysis with Binary DV
Hello. I don't see anything wrong with model fitz1 and the warning simply says that it did not
Oct 4
yf liu
Oct 4
Measurement invariance number of parameters
Hello, I am examining gender invariance with ordered categorical variables in a bifactor model. I am
unread,
Measurement invariance number of parameters
Hello, I am examining gender invariance with ordered categorical variables in a bifactor model. I am
Oct 4
Olivier
, …
Edward Rigdon
4
Oct 3
Indirect reverse effect
I don't see any "reverse direction" in your syntax. As I read it, the relations your
unread,
Indirect reverse effect
I don't see any "reverse direction" in your syntax. As I read it, the relations your
Oct 3
Charly Marie
,
Terrence Jorgensen
3
Oct 2
How can I make my ML & DWLS & MLR & WLSMV SEM as reproducible as possible without sharing data?
Thanks, this is exactly what I thought was missing: all the statistics one needs to report, and how
unread,
How can I make my ML & DWLS & MLR & WLSMV SEM as reproducible as possible without sharing data?
Thanks, this is exactly what I thought was missing: all the statistics one needs to report, and how
Oct 2
blairb...@gmail.com
, …
Terrence Jorgensen
3
Oct 2
Robust fit indices not available for threshold model
This was cross-posted on CV, where I posted an answer. https://stats.stackexchange.com/questions/
unread,
Robust fit indices not available for threshold model
This was cross-posted on CV, where I posted an answer. https://stats.stackexchange.com/questions/
Oct 2
Miguel Ángel Cruz Posadas
, …
Terrence Jorgensen
5
Oct 2
Specifying sample design
I am using the compRelSEM function to calculate McDonald's omega This is not related to the
unread,
Specifying sample design
I am using the compRelSEM function to calculate McDonald's omega This is not related to the
Oct 2
zillur rahman
,
Terrence Jorgensen
2
Oct 2
Error in lav_lavaan_step11_estoptim(lavdata = lavdata, lavmodel = lavmodel, : lavdata@nlevels > 1L is not TRUE
The lavaan model syntax you provided does not specify a multilevel SEM. https://lavaan.ugent.be/
unread,
Error in lav_lavaan_step11_estoptim(lavdata = lavdata, lavmodel = lavmodel, : lavdata@nlevels > 1L is not TRUE
The lavaan model syntax you provided does not specify a multilevel SEM. https://lavaan.ugent.be/
Oct 2