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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