SAS codes for LMG variable importance, Box-Cox transformation including interactions. Documentation and PowerPoint slides.
Directories under "Files" with descriptions:
NESUG 2014: "A Fast, High-Precision Implementation of the Univariate One-Parameter Box-Cox Transformation Using the Golden Section Search in SAS/IML®"
SESUG 2017: "Decomposing the R-squared of a Regression Using the Shapley value in SAS®"
SESUG 2019: "Conditionally Executing Data Steps and Statements Based on...