There is any procedure to text paralelism and coincidence of rregression functions?
Look for parallel-slopes analysis of covariance in the documentation of PROC GLM.
SAS/STAT(R) 9.3 User's Guide
parallel-slopes test tests for parallelism, then, if the slopes are parallel, analysis of covariance tests for coincidence.
PG
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Use this tutorial as a handy guide to weigh the pros and cons of these commonly used machine learning algorithms.
Find more tutorials on the SAS Users YouTube channel.