Top Questions

1. How to calculate the number of elements in a string for each observation
   3 votes

   3 answers
2. How to change the name of an observation according to its occurrence
   3 votes

   3 answers
3. How to extract a vector element without using the index
   2 votes

   4 answers
4. How to create a unique identifier for 100000 with 5 characters?
   2 votes

   3 answers
5. How to get the number of elements separated by an underscore
   2 votes

   7 answers