ERROR when comparing two models

[dilys...@gmail.com]

Buenos dias,

I had the error below while I was trying to compare two models to see if the new model is better that the previous one.

 anova(mod1.fit, mod2.fit)

Error in lavTestLRT(object = new("lavaan", version = "0.6.3", call = lavaan::lavaan(model = mod1,  :

  lavaan ERROR: some models (but not all) have scaled test statistics

lavTestLRT(mod1.fit, mod2.fit)
Error in lavTestLRT(mod1.fit, mod2.fit) :
  lavaan ERROR: some models (but not all) have scaled test statistics

I am not sure what the message "some models (but not all) have scaled test statistics" means. I had the same error using anova or lavTestLRT

Gracias,

Dilys 

[Mauricio Garnier-Villarreal]

Dilys

Can you share how you ran the models with cfa or sem? This is saying that the models where analyszed with different estimators, so some have a scaled test statistic (like MLR), and other dont. So, lavaan cant compare them. To compare them the models have to be done with the same estimators

[Dilys Vela]

Hi Mauricio,

I did it with SEM. Thanks for the leads. I will check that part of my code to see if I can fix the problem.

Thanks,

Dilys

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