R first row by group
Similar codes
- 1 vote132 views1 answer
- 0 vote112 views1 answer
- 1 vote101 views1 answer
- 1 vote125 views1 answer
- 0 vote110 views1 answer
- 0 vote126 views1 answer
- 0 vote121 views2 answers
- 0 vote124 views1 answer
- 0 vote112 views3 answers
- 0 vote98 views1 answer