Valentin Roux

8 Questions 7 Answers 0 Followers

Questions related from Valentin Roux

Is it right to perform latent growth curve analysis (LCGA) including a covariate for choosing the best-fitting model ?

I'm conducting LCGA to explore whether some classes in my sample are different on distal outcome. In preliminary analysis I've identified one significant covariate likely to impact my distal...

11 November 2021 8,061 3 View

How to correct variance in Wald test using MODEL TEST command in Mplus?

Hi, Does anyone may have suggestions to compute constrained maximum likelihood estimate (CMLE) instead of ML estimate in a Wald Test In Mplus using MODEL TEST COMMAND? My latent class are...

02 July 2021 654 1 View

Comparing groups with different sample sizes?

Hello, Does anybody have any statistical suggestions for justify the pertinence to make comparisons between groups with different sample size? I've conducted latent class analysis and i would...

26 June 2021 1,786 7 View

Statistical power analysis and sample size required to conduct Latent Class Growth Analysis ?

Hi, I'd like to conduct Latent Class Growth Curve analysis in order to explore inter-individual differences in the evolution of my variable. How could I estimate the a priori sample size...

28 November 2020 5,197 9 View

Same convergence indices and covariances using lavaan ML or MLR estimator?

Hi, I run CFAs with the lavaan package under R and I use the MLR estimator that fits the characteristics of my data. When I use the "summary(fit)" command, the fit indices for the MLR estimator...

19 November 2020 766 3 View

Conducting CFA ith non normal data?

Hi, I'm looking for recommandations/articles to run Confirmatory Factor Analysis with non normal data. I've already used the WLS estimator using RStudio. Does anybody know methods for...

22 October 2020 4,476 3 View

How to run and evaluate Bayesian CFA model fit using R ?

Hi, Does anyboby know an R tutorial to run a Bayesian CFA and recommandations concerning the model fit evaluation and adjustment indexes of this type of analysis? I need to run a Bayesian CFA...

07 October 2020 5,966 2 View

How to run ESEM in R to evaluate structural validity of a questionnaire?

Hi, In order to validate psychometric properties of a questionnaire and more precisely the structural validity, the esem package :...

27 August 2020 4,521 3 View