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  3. Structural Equation Modeling with lavaan in R

Exercise

Examine Modification Indices

The fit indices for our epi.model are low (in the .70s) for CFI and TLI. You can use modification indices to find potential parameters (paths) to add to the model specification to improve model fit.

Examine the modification indices for the epi.model and add the path with the largest mi to your model. The libraries and model have been loaded for you. After you edit your model, rerun the model summary to examine the change in fit indices.

Instructions 1/3

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  • Use modificationindices() on the epi.fit to find the mi values.
  • Use sort = TRUE to see the highest values first.