Top Questions

1. Create ID variable: if ≥1 column duplicate then mark as duplicate
   2 votes

   1 answers
2. pivot longer for only selected columns
   1 votes

   1 answers
3. Calculate crude and ajusted rates per subgroup using ageadjust.direct
   1 votes

   1 answers
4. Ifelse function based on multiple conditions
   1 votes

   1 answers