https://github.com/insightsengineering/rtables/blob/0e17009901848573901eddde8ed3aeccdc1145f2/vignettes/guided_intermediate_split_reqs.Rmd#L478 Should not be `keep_levels = my_combo_df$valname` ?
https://github.com/insightsengineering/rtables/blob/0e17009901848573901eddde8ed3aeccdc1145f2/vignettes/guided_intermediate_split_reqs.Rmd#L478
Should not be
keep_levels = my_combo_df$valname?