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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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Oscar García Casanova
May 4
How to test for significance of a group-specific negative residual variance in an MG-CFA?
Dear everyone, After confirming scalar invariance for my ordinal MG-CFA model, I was attempting to
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How to test for significance of a group-specific negative residual variance in an MG-CFA?
Dear everyone, After confirming scalar invariance for my ordinal MG-CFA model, I was attempting to
May 4
isaactp...@gmail.com
,
Yago Luksevicius de Moraes
4
May 2
Warning when running model on ordinal simulated data: information matrix could not be inverted
That solved it. Very helpful Yago--Thanks! -Isaac On Thursday, May 2, 2024 at 9:52:31 AM UTC-5 yagol.
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Warning when running model on ordinal simulated data: information matrix could not be inverted
That solved it. Very helpful Yago--Thanks! -Isaac On Thursday, May 2, 2024 at 9:52:31 AM UTC-5 yagol.
May 2
Lili Vandermeersch
,
Yago Luksevicius de Moraes
2
May 2
sam() using different sub-samples
Not sure if I understood what you want nor why. Wouldn't it be better to simply do a single model
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sam() using different sub-samples
Not sure if I understood what you want nor why. Wouldn't it be better to simply do a single model
May 2
Erwan
, …
Jeremy Miles
5
May 2
Questions about intercept
Daniel, Edward, Jeremy, I thank you for all these explanation which have greatly helped me to clarify
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Questions about intercept
Daniel, Edward, Jeremy, I thank you for all these explanation which have greatly helped me to clarify
May 2
Elise Grimm
May 2
2-1-1 Mediations
Hello, I am a running a 2-1-1 mediation model in lavaan where I have a cognitive task (level 2)
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2-1-1 Mediations
Hello, I am a running a 2-1-1 mediation model in lavaan where I have a cognitive task (level 2)
May 2
Yira Zhang
,
Christian Arnold
4
May 1
Variance decomposition using sequential mediation
I don't think you can use relaimpo, detached from a correlation matrix. These methods (pmvd, lmg.
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Variance decomposition using sequential mediation
I don't think you can use relaimpo, detached from a correlation matrix. These methods (pmvd, lmg.
May 1
Chiara Galiotto
May 1
Testing assumptions moderated mediation SEM lavaan
Hi all, For my thesis I developed a mediation and a moderated mediation with SEM usign the lavaan
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Testing assumptions moderated mediation SEM lavaan
Hi all, For my thesis I developed a mediation and a moderated mediation with SEM usign the lavaan
May 1
Omar Salim
, …
Maxim
9
Apr 30
sample covariance matrix is (near) zero or negative.
I had the same issue. It seems tit was caused by my covariance matrix being a data.frame object, so
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sample covariance matrix is (near) zero or negative.
I had the same issue. It seems tit was caused by my covariance matrix being a data.frame object, so
Apr 30
Stephen Taylor
,
Jasper Bogaert
3
Apr 30
Error in semPower.Mediation
Thanks, yes, I loaded the package: install_packages <- packages[!sapply(packages, requireNamespace
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Error in semPower.Mediation
Thanks, yes, I loaded the package: install_packages <- packages[!sapply(packages, requireNamespace
Apr 30
Nina -
,
Chesnut, Ryan
9
Apr 25
RI-CLPM within-centered variables
Hi Nina, The modification index is suggesting that you estimate the mean, or intercept, of RIx. I
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RI-CLPM within-centered variables
Hi Nina, The modification index is suggesting that you estimate the mean, or intercept, of RIx. I
Apr 25
Toby
Apr 24
Moderated Mediation with Two Moderators Syntax
Hi all, I am trying to set up a mediated moderation model in lavaan. It seems trickier than I first
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Moderated Mediation with Two Moderators Syntax
Hi all, I am trying to set up a mediated moderation model in lavaan. It seems trickier than I first
Apr 24
roger akanji
3
Apr 24
RE: lavaan WARNING: Could not compute standard errors z-value and p-value
Hi all, First of all, I will like to thank Mikko for his email and suggestions I ran path analysis
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RE: lavaan WARNING: Could not compute standard errors z-value and p-value
Hi all, First of all, I will like to thank Mikko for his email and suggestions I ran path analysis
Apr 24
Floor Burghoorn
Apr 24
warnings when using sam() with categorical indicators
Dear all, I plan to run a local SAM model using the sam() function in lavaan. I tried this out using
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warnings when using sam() with categorical indicators
Dear all, I plan to run a local SAM model using the sam() function in lavaan. I tried this out using
Apr 24
Oscar García Casanova
Apr 23
Creating summary of a lavaan.mi object (runMI()): R cannot find correct summary() method for lavaan.mi-class object
Hi. So I am trying to use the runMI() function of the semTools package to fit a multiple impute
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Creating summary of a lavaan.mi object (runMI()): R cannot find correct summary() method for lavaan.mi-class object
Hi. So I am trying to use the runMI() function of the semTools package to fit a multiple impute
Apr 23
Yira Zhang
2
Apr 23
Lavaan multilevel mediation
Essentially, I am trying to model and see if additional mediation paths explain the outcome variable
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Lavaan multilevel mediation
Essentially, I am trying to model and see if additional mediation paths explain the outcome variable
Apr 23
Dinesha Dissanayake
, …
Ingo Man
14
Apr 23
Seeking Help with Model Non-Identification and Warnings in lavaan
Hi Marcus, Thank you for your suggestions. I tried coding the dichotomous gender variables as 0/1 and
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Seeking Help with Model Non-Identification and Warnings in lavaan
Hi Marcus, Thank you for your suggestions. I tried coding the dichotomous gender variables as 0/1 and
Apr 23
JAIME ANDRES GAVIRIA BEDOYA
, …
Yves Rosseel
5
Apr 22
SAM approach with categorical indicators
Thank you very much Dr Rosseel I appreciate your answer. El viernes, 12 de abril de 2024 a las 8:13:
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SAM approach with categorical indicators
Thank you very much Dr Rosseel I appreciate your answer. El viernes, 12 de abril de 2024 a las 8:13:
Apr 22
Jeremy Eberle
Apr 22
Negative chi-square and df in EFA with PML-AC estimation
Hi, everyone, I ran EFAs for 36 ordinal items (each on a 4-point Likert scale) with 2-6 factors using
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Negative chi-square and df in EFA with PML-AC estimation
Hi, everyone, I ran EFAs for 36 ordinal items (each on a 4-point Likert scale) with 2-6 factors using
Apr 22
roger akanji
,
Rönkkö, Mikko
6
Apr 20
RE: Lavaan error
Hi, cat(specmod) should print the model, not the data. But looking at the printout of your data, the
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RE: Lavaan error
Hi, cat(specmod) should print the model, not the data. But looking at the printout of your data, the
Apr 20
roger akanji
,
Shu Fai Cheung (張樹輝)
3
Apr 19
RE: error in lavaan
Hi Shu Fai Thank you for your email which I find very interesting First as per your suggestion, I
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RE: error in lavaan
Hi Shu Fai Thank you for your email which I find very interesting First as per your suggestion, I
Apr 19
Nora
,
Shu Fai Cheung (張樹輝)
2
Apr 19
Binary exogenous categorical variable in growth model factor vs numeric
I believe your model is not invariant to the scaling of cat. When coded as a factor, the values are 1
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Binary exogenous categorical variable in growth model factor vs numeric
I believe your model is not invariant to the scaling of cat. When coded as a factor, the values are 1
Apr 19
roger akanji
,
Rönkkö, Mikko
4
Apr 19
RE: How to fit model with three dataframes
Hi Mikko Good morning/afternoon Thank you very much for your suggestions. I will look into that and
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RE: How to fit model with three dataframes
Hi Mikko Good morning/afternoon Thank you very much for your suggestions. I will look into that and
Apr 19
Andrew Hanna
,
Shu Fai Cheung (張樹輝)
2
Apr 18
Simulating SEM data
I am not familiar with simsem::sim(). I did a quick check and I think you can try the following
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Simulating SEM data
I am not familiar with simsem::sim(). I did a quick check and I think you can try the following
Apr 18
NESTOR MONTORO PEREZ
,
Yago Luksevicius de Moraes
3
Apr 17
Unspecified model in measurement invariance
Hi, Néstor. As the message indicates, the real problem is that a covariance matrix is not positive-
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Unspecified model in measurement invariance
Hi, Néstor. As the message indicates, the real problem is that a covariance matrix is not positive-
Apr 17
Ella
Apr 17
SAM approach for categorical indicators: WLSMV estimator
Hi all, I'm a student researching relationships between specific personality traits and lifelong
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SAM approach for categorical indicators: WLSMV estimator
Hi all, I'm a student researching relationships between specific personality traits and lifelong
Apr 17
Jeremy Eberle
Apr 17
Setting "std.lv = TRUE" in higher-order CFA model
Hello, For the higher-order CFA model below, my understanding is that std.lv fixes the variances of
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Setting "std.lv = TRUE" in higher-order CFA model
Hello, For the higher-order CFA model below, my understanding is that std.lv fixes the variances of
Apr 17
Franziska Motka
, …
Ingo Man
16
Apr 15
model specification second-order
Hello again, Jošt has taken the discussion precisely in the desired direction. Since your variables
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model specification second-order
Hello again, Jošt has taken the discussion precisely in the desired direction. Since your variables
Apr 15
Joao Maroco
Apr 15
Basal HLM with Lavaan
Dear all, Say I only want to calculate the ICC for the basal model using lavaan two-level features.
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Basal HLM with Lavaan
Dear all, Say I only want to calculate the ICC for the basal model using lavaan two-level features.
Apr 15
Yves Rosseel
Apr 12
Three-year post-doc position Ghent University (Belgium): deadline 1 May
As the deadline of May 1st is approaching, this is a final reminder: Dear all, Please forward this
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Three-year post-doc position Ghent University (Belgium): deadline 1 May
As the deadline of May 1st is approaching, this is a final reminder: Dear all, Please forward this
Apr 12
thomas vanhove
,
Ingo Man
4
Apr 11
SEM with 50% missing data (due to distribution of items over various ballots/waves)
Dear Thomas, I am not an expert on MI, but what I have read is quite promising. 50% of missingness,
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SEM with 50% missing data (due to distribution of items over various ballots/waves)
Dear Thomas, I am not an expert on MI, but what I have read is quite promising. 50% of missingness,
Apr 11