Exercise

Fix the Zero df Model

Identification is a core component in SEM models and you should have at least one degree of freedom for any model. Using the text.model from the last exercise, update the model to create a degree of freedom.

You should label two of the coefficient paths to a to set them equal to each other. lavaan and the HolzingerSwineford1939 dataset have been loaded for you.

Instructions

100 XP

Update the text.model to have x5 and x6 paths both set to a.
Analyze the model with the cfa() function.
View the updated model with the summary() function.