viralx_mars.md
In viralx: Explainers for Regression Models in HIV Research

`viralx_mars()` works

Code
  print(viralx_mars(vip_featured, hiv_data, nt, pd, pru, vip_train, vip_new))
Output
           variable contribution
  1       intercept       487.46
  2   cd_2019 = 342      -129.00
  3 vl_2019 = 38960         0.00
  4   cd_2021 = 331         0.00
  5  vl_2021 = 5113         0.00
  6     vl_2022 = 0         0.00
  7      prediction       358.46