juliakatharinapfarr
I'm trying to do SEM in Jasp. Unfortunately, the program wouldn't take my model and giving me this error:
"Error in nlminb(start=start.x, objective=objective_function, gradient=GRADIENT, : NA/NaN gradient evaluation"
Does anybody know what this means?
This is my model (I'm trying to model the association of Neuroticism, Anxiety, Anhedonia, Cognitive Control and brain structure (=cluster). ):
#measurement model
Anxiety =~ STAIS_Sum
Anhedonia =~ SHAPS_Sum
Neuroticism =~ NEOFFI_Neurotizismus
CognitiveControl =~ PfadfinderB
Cluster =~ Neuro_Eigenvalue_FA_anteriorthalamicradiation_R_neg_CLUSTER49
Kontrolle =~ PfadfinderA
Age =~ Alter
Sex =~ Geschlecht
#regressions
Anxiety ~ Neuroticism
Anhedonia ~ Neuroticism
Cluster ~ Neuroticism
Anhedonia ~ Cluster
CognitiveControl ~ Cluster
#correlations
Anhedonia ~~ Anxiety
CognitiveControl ~~ Anhedonia
Thank you for any help!
Julia
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Hi @Ihnwhi , Thank you for your reply! about (1) Yes, all latent variables have only one indicator, because we're using the total scores of the questionnaire measurements. (2) I'm not sure if this is what I want, honestly. I want to control for Kont…