lavaan

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Welcome to the lavaan discussion group. Lavaan is an R package for latent variable analysis.

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Vera, fabiusg...@gmail.com2

8/2/20

SEM model bad fit

Could it be a problem that your data is ordinally distributed? I would use a WLSM estimator in that

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test-statistics

SEM model bad fit

Could it be a problem that your data is ordinally distributed? I would use a WLSM estimator in that

8/2/20

Magali Frauendorf, Edward Rigdon5

6/12/20

Negative variance error in CFA model (with addressing measurement error/repeatability))

Hi Edward, Thanks a lot for all your answers. It helped me a lot! Best, Magali

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measurement-error

negativevariance

Negative variance error in CFA model (with addressing measurement error/repeatability))

Hi Edward, Thanks a lot for all your answers. It helped me a lot! Best, Magali

6/12/20

Rim Rj, Terrence Jorgensen3

5/29/20

Variance of the latent variable different than 1 in std.lv

Thank you Terrence for your answer! I understand better the results I am seeing. Rim. Le vendredi 29

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Variance of the latent variable different than 1 in std.lv

Thank you Terrence for your answer! I understand better the results I am seeing. Rim. Le vendredi 29

5/29/20

GAT, … Terrence Jorgensen4

5/21/20

comparing latent means in lavaan

In the reference group approach (the default in lavaan, I believe), those refer to the comparison

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comparing latent means in lavaan

In the reference group approach (the default in lavaan, I believe), those refer to the comparison

5/21/20

Luana Yang, Jeremy Miles5

3/1/20

The optimizer (NLMINB) claimed the model converged, but not all elements of the gradient are (near) zero

（I don't know if my reply was sent successfully, so I sent it again.The variance of the AT was -

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The optimizer (NLMINB) claimed the model converged, but not all elements of the gradient are (near) zero

（I don't know if my reply was sent successfully, so I sent it again.The variance of the AT was -

3/1/20

Luisa Horsten, … Edward Rigdon5

1/23/20

std.lv = TRUE does not produce equal factor loadings in estimate- and std.lv-columns

Ugh, yes, sorry about that! That is a typo indeed, should be D ~~ H instead. Am Mittwoch, 22. Januar

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std.lv = TRUE does not produce equal factor loadings in estimate- and std.lv-columns

Ugh, yes, sorry about that! That is a typo indeed, should be D ~~ H instead. Am Mittwoch, 22. Januar

1/23/20

Lindy Howe, Terrence Jorgensen2

1/3/20

HELP WITH LAVAAN ERROR. Error with path analysis using latent variable

I am attempting to run this model using lavaan Try using sem() instead, which automatically adds the

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HELP WITH LAVAAN ERROR. Error with path analysis using latent variable

I am attempting to run this model using lavaan Try using sem() instead, which automatically adds the

1/3/20

DENNIS RUENGER, … Mauricio Garnier-Villarreal3

12/16/19

Growth mixture model with unobserved/latent groups

In chapter 7 of Growth Modeling (https://www.guilford.com/books/Growth-Modeling/Grimm-Ram-Estabrook/

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Growth mixture model with unobserved/latent groups

In chapter 7 of Growth Modeling (https://www.guilford.com/books/Growth-Modeling/Grimm-Ram-Estabrook/

12/16/19

Vibeke Nielsen, … Mauricio Garnier-Villarreal3

12/15/19

Interpreting intercepts in a bivariate latent change score model

Vibeke The latent change point will be equivalent to the estimated mean difference that you are

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Interpreting intercepts in a bivariate latent change score model

Vibeke The latent change point will be equivalent to the estimated mean difference that you are

12/15/19

Maximilian Ernst, Terrence Jorgensen4

11/29/19

analytical solution for latent variable correlation

Thanks, also for the nice paper!! I found the r-package polycor, which computes the tetrachoric

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analytical solution for latent variable correlation

Thanks, also for the nice paper!! I found the r-package polycor, which computes the tetrachoric

11/29/19

Eva Neumeyer, Terrence Jorgensen28

12/5/19

Latent interaction - Structural Equation Model with Moderated Mediation // Problems with syntax

Thank you, Terrence! I would say it helped! The warning of a non positive definite covariance matrix

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Latent interaction - Structural Equation Model with Moderated Mediation // Problems with syntax

Thank you, Terrence! I would say it helped! The warning of a non positive definite covariance matrix

12/5/19

Vibeke Nielsen, Mauricio Garnier-Villarreal3

11/7/19

Adding gender as covariate or moderator to a bivariate latent change score model with Lavaan R

Thank you very much for your tips, Mauricio Garnier-Villarreal. I have indeed also tried to

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Adding gender as covariate or moderator to a bivariate latent change score model with Lavaan R

Thank you very much for your tips, Mauricio Garnier-Villarreal. I have indeed also tried to

11/7/19

Matti Cervin, … Terrence Jorgensen4

11/2/19

Possible to sidestep measurement model estimation?

Thanks both of you - really interesting reading. Guess I just have to buy a stronger computer while

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Possible to sidestep measurement model estimation?

Thanks both of you - really interesting reading. Guess I just have to buy a stronger computer while

11/2/19

Dave Bell, … car...@web.de8

10/22/19

Creating a provisional model

https://statistics.ohlsen-web.de/sem-path-diagram/ Am 22.10.19, 18:59, Dave Bell <

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Creating a provisional model

https://statistics.ohlsen-web.de/sem-path-diagram/ Am 22.10.19, 18:59, Dave Bell <

10/22/19

9/11/19

two time points latent change score analysis

There are data of two time points: before and after the dietary intervention. Follow the following

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two time points latent change score analysis

There are data of two time points: before and after the dietary intervention. Follow the following

9/11/19

Scott Claessens, Terrence Jorgensen2

8/17/19

Computing factor scores (with standard errors) for a follow-up Bayesian analysis

However, I was under the impression that this approach would give me a different standard error for

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standard-errors

Computing factor scores (with standard errors) for a follow-up Bayesian analysis

However, I was under the impression that this approach would give me a different standard error for

8/17/19

Maria Meier, … Edward Rigdon8

8/7/19

Mixed SEM with lavaan warning: Could not compute standard errors!

Maria-- Models are parsimonious when they explain relations among many variables using few parameters

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Mixed SEM with lavaan warning: Could not compute standard errors!

Maria-- Models are parsimonious when they explain relations among many variables using few parameters

8/7/19

Emmanuel W, Terrence Jorgensen2

8/6/19

an update on the possible mediations with lavaan

what about when only one of them is binary? Moreover, does lavaan allow these effects to be correctly

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an update on the possible mediations with lavaan

what about when only one of them is binary? Moreover, does lavaan allow these effects to be correctly

8/6/19

Christopher Galgo, PD2

7/19/19

Factor Score Path Analysis

Try the :::fsr function. See the articles that discuss this approach, which explain the variance/

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correlationMatrix

covarianceMatrix

Factor Score Path Analysis

Try the :::fsr function. See the articles that discuss this approach, which explain the variance/

7/19/19

Christopher Galgo

7/14/19

Please help me. Can I use a vcv matrix of factor scores as input to lavaan?

I have a covariance matrix from factor scores and I want to use that as input for my analysis.

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covarianceMatrix

Please help me. Can I use a vcv matrix of factor scores as input to lavaan?

I have a covariance matrix from factor scores and I want to use that as input for my analysis.

7/14/19

Matt, … Yves Rosseel6

7/8/19

How to calculate the significance of latent variables with lavaan ?

On 7/6/19 2:26 PM, Matheus Raszl wrote: > But how could I see the p value in a more classical way

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correlationMatrix