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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:

https://lavaan.ugent.be/about/donate.html

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Emanuele, … Henrique Oliveira6

8/4/20

WLSMV better fit with non-ordered variables

Hi, Thank you very much for the useful reference. I totally agree with Henrique, it is really great

unread,

WLSMV better fit with non-ordered variables

Hi, Thank you very much for the useful reference. I totally agree with Henrique, it is really great

8/4/20

Ari Fodeman, Yves Rosseel2

7/16/20

"NA/NaN Hessian evaluation" error message interpretation help

> ...I get this error message: > > Error in nlminb(start = cache$theta, objective =

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"NA/NaN Hessian evaluation" error message interpretation help

> ...I get this error message: > > Error in nlminb(start = cache$theta, objective =

7/16/20

Patrycja Klimek, Terrence Jorgensen2

4/16/20

CFA using MLR estimator and ordinal data

I want to conduct a 2-factor CFA with ordinal data(due to nonnormality) Nonnormality does not imply

unread,

CFA using MLR estimator and ordinal data

I want to conduct a 2-factor CFA with ordinal data(due to nonnormality) Nonnormality does not imply

4/16/20

Ignazio Craparo, Terrence Jorgensen2

3/21/20

Measurement invariance Chisquare difference test statistic - ordinal variables

My question regards on whether the Chisquare statistic with method="satorra.bentler.2010"

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Measurement invariance Chisquare difference test statistic - ordinal variables

My question regards on whether the Chisquare statistic with method="satorra.bentler.2010"

3/21/20

Kevin Reuning, Terrence Jorgensen3

11/13/19

Question about standardized loadings and ordinal items

Thank you very much for the help!. On Wednesday, November 13, 2019 at 9:41:26 AM UTC-5, Terrence

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Question about standardized loadings and ordinal items

Thank you very much for the help!. On Wednesday, November 13, 2019 at 9:41:26 AM UTC-5, Terrence

11/13/19

Yu Liu, … Hugo Harada4

6/5/20

Error message in multiple-group ordinal CFA: Error in if (any(dCOV < 0)) { : missing value where TRUE/FALSE needed

Hi, Yu, Sarah, Could you check if this error goes away with Terrence and Yves replies to the thread

unread,

error

multigroup

ordinal

Error message in multiple-group ordinal CFA: Error in if (any(dCOV < 0)) { : missing value where TRUE/FALSE needed

Hi, Yu, Sarah, Could you check if this error goes away with Terrence and Yves replies to the thread

6/5/20

Fran, Terrence Jorgensen3

8/28/19

lavTables (G2, X2); RMSEA vs lavResiduals

Thank you VERY much for explaining me in detail the lavTable output, I woke up and said to my

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lavTable

ordinal

residual

lavTables (G2, X2); RMSEA vs lavResiduals

Thank you VERY much for explaining me in detail the lavTable output, I woke up and said to my

8/28/19

Lucas Sempe, … joh4nd5

6/12/23

WLSMV with some continuous variables

Is it in such cases (WLSMV and, hence, a subset of DWLS estimates) that robust fit criteria are

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WLSMV with some continuous variables

Is it in such cases (WLSMV and, hence, a subset of DWLS estimates) that robust fit criteria are

6/12/23

Ben Southern, Terrence Jorgensen3

6/1/19

using "ordered=" with lavaan.survey

Thanks for the information. On Saturday, June 1, 2019 at 6:22:52 AM UTC-4, Terrence Jorgensen wrote:

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using "ordered=" with lavaan.survey

Thanks for the information. On Saturday, June 1, 2019 at 6:22:52 AM UTC-4, Terrence Jorgensen wrote:

6/1/19

Amanda Hoffman, … Terrence Jorgensen7

11/15/23

Error when running sem model for ordinal endogenous variable

By default with categorical outcomes, lavaan will set fixed.x = TRUE and conditional.x=TRUE. It might

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Error when running sem model for ordinal endogenous variable

By default with categorical outcomes, lavaan will set fixed.x = TRUE and conditional.x=TRUE. It might

11/15/23

Christopher Bratt, … Mauricio Garnier-Villarreal8

4/4/19

LSEM with categorical indicators

All well now. Thanks a lot to Mauricio and Terrence! Chr.

unread,

error

lavaan

ordinal

LSEM with categorical indicators

All well now. Thanks a lot to Mauricio and Terrence! Chr.

4/4/19

rlan...@u.uchile.cl, … Terrence Jorgensen4

3/25/19

Residual covariance matrix

Ok, but the index SRMR is a measurement of residual covariance, so If my SRMR is good, the residual

unread,

categorical

ordinal

residual

Residual covariance matrix

Ok, but the index SRMR is a measurement of residual covariance, so If my SRMR is good, the residual

3/25/19

Blair Burnette, Terrence Jorgensen2

2/28/19

Measurement invariance results-minimal fit index changes but significant chi-square difference

I question this also because latent factor means are clearly non-equivalent across groups. Would that

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Measurement invariance results-minimal fit index changes but significant chi-square difference

I question this also because latent factor means are clearly non-equivalent across groups. Would that

2/28/19

Damiano D'Urso, Terrence Jorgensen4

2/19/19

Using marginal maximum likelihood for categorical estimators

The code you sent works in the case of one group but once I try to estimate the model specifying that

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Using marginal maximum likelihood for categorical estimators

The code you sent works in the case of one group but once I try to estimate the model specifying that

2/19/19

Onur Şahin, … Terrence Jorgensen3

1/3/19

error using WLSMV in moderated mediation analysis, ordinal dependent outcomes, continuous moderator

Error in vnames(FLAT, type = "ov.x", ov.x.fatal = TRUE) : lavaan ERROR: model syntax

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error using WLSMV in moderated mediation analysis, ordinal dependent outcomes, continuous moderator

Error in vnames(FLAT, type = "ov.x", ov.x.fatal = TRUE) : lavaan ERROR: model syntax

1/3/19

Blair Burnette, … Terrence Jorgensen3

1/3/19

Comparing nested CFA models...options to compare robust chi-square?

To evaluate invariance, I am triangulating the change in fit indices and examining the change in chi-

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Comparing nested CFA models...options to compare robust chi-square?

To evaluate invariance, I am triangulating the change in fit indices and examining the change in chi-

1/3/19

Shu Tian Ng, Chao Xu2

12/29/18

Accounting for nestedness for ordinal data

Shu, You are right that lavaan doesn't support multilevel CFA/SEM on ordinal measures yet. To my

unread,

clustering

ordinal

survey

Accounting for nestedness for ordinal data

Shu, You are right that lavaan doesn't support multilevel CFA/SEM on ordinal measures yet. To my

12/29/18

katja.si...@gmail.com, Terrence Jorgensen2

11/2/18

DWLS degrees of freedom

Where can I find the formula that is used in lavaan to calculate degrees of freedom for DWLS

unread,

DWLS

ordinal

DWLS degrees of freedom

Where can I find the formula that is used in lavaan to calculate degrees of freedom for DWLS

11/2/18

Jan Brederecke, Terrence Jorgensen3

10/11/18

WLSMV Estimator in CFA with missing data / multiple imputation

Dear Mr Jorgensen, thank you so much for your quick and helpful answer, this is all that I needed and

unread,

WLSMV Estimator in CFA with missing data / multiple imputation

Dear Mr Jorgensen, thank you so much for your quick and helpful answer, this is all that I needed and

10/11/18

Leah Kelly, Terrence Jorgensen4

9/24/18

CFA with ordinal data

Does this indicate that WLS is used to calculate parameters but OLS is used for the regression? No.

unread,

CFA

ordinal

regression

CFA with ordinal data

Does this indicate that WLS is used to calculate parameters but OLS is used for the regression? No.

9/24/18

katja.si...@gmail.com, Jeremy Miles2

8/21/18

SEM with ordinal data

On Tue, 21 Aug 2018 at 17:54, <katja.si...@gmail.com> wrote: Hi, I am PhD student and I am

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SEM with ordinal data

On Tue, 21 Aug 2018 at 17:54, <katja.si...@gmail.com> wrote: Hi, I am PhD student and I am

8/21/18

Keri, … cla...@googlemail.com6

12/14/23

Robust/scaled statistics in CFA on ordinal response data

I would also be interested in the question, if reporting scaled fit indices when categorical data is

unread,

Robust/scaled statistics in CFA on ordinal response data

I would also be interested in the question, if reporting scaled fit indices when categorical data is

12/14/23

Jack Bailey, … Terrence Jorgensen7

7/18/18

Appeal for advice: interpreting path coefficients where latent vars based on ordinal data

Excellent, Terrence. Very useful! On Wednesday, 18 July 2018 14:23:58 UTC+1, Terrence Jorgensen wrote

unread,

ordinal

Appeal for advice: interpreting path coefficients where latent vars based on ordinal data

Excellent, Terrence. Very useful! On Wednesday, 18 July 2018 14:23:58 UTC+1, Terrence Jorgensen wrote

7/18/18

Isa, Terrence Jorgensen8

7/29/18

Group Invariance testing for ordinal Data: Partial strong invariance

Am I correct in the assumption that the command for freeing residual variances (which were fixed for

unread,

Group Invariance testing for ordinal Data: Partial strong invariance

Am I correct in the assumption that the command for freeing residual variances (which were fixed for

7/29/18