Satorra-Bentler chi-square difference test (R code)

Satorra-Bentler chi-square difference tests are not available when using Robust Maximum Likelihood estimation in in Mplus (version 8.0). This R code was created to do so based on an illustration and source material:

Mplus. (2019). Statmodel.com. https://www.statmodel.com/chidiff.shtml

Satorra, A. & Bentler, P.M. (2010). Ensuring positiveness of the scaled difference chi-square test statistic. Psychometrika. 75, 243-248. https://doi.org/10.1007/s11336-009-9135-y