Chalmers, R. P. & Flora, D. B. (2015). faoutlier: An R Package for Detecting
Influential Cases in Exploratory and Confirmatory Factor Analysis.
Applied Psychological Measurement, 39, 573-574. 10.1177/0146621615597894
Flora, D. B., LaBrish, C. & Chalmers, R. P. (2012). Old and new ideas for data
screening and assumption testing for exploratory and confirmatory factor analysis.
Frontiers in Psychology, 3, 1-21. 10.3389/fpsyg.2012.00055