mssstest 3.0-7build1 (ppc64el binary) in ubuntu focal

 MSSStest is a program for implementing the method described in the
 article The Multiple Sclerosis Severity Score. R. Roxburgh S. Seaman et
 al. (2004), accepted for publication by Neurology. It calculates MSSS
 scores and uses these scores to test for differences between disease
 progression rates in different groups defined by genotype at some locus. A
 brief description of the method is given below.