Getting started with EFAST

Download the package from GitHub using the remotes or devtools package:

remotes::install_github("vankesteren/efast")

Follow the tutorials here:

Background: EFA models using lavaan

A short introduction to EFA blocks in lavaan, and how it relates to conventional EFA as well as to the EFAST package.

EFAST models on structural brain imaging data

A full tutorial on how to fit an EFAST model to a real dataset with a symmetry residual structure.

Advanced: Extending EFAST models

A look into the generated syntax underlying the EFAST models and how to extend it for your purposes.