How to summarise data but keep columns R
Similar codes
- 0 vote152 views2 answers
- 1 vote133 views1 answer
- 0 vote133 views1 answer
- 0 vote163 views1 answer
- 0 vote147 views1 answer
- 0 vote189 views1 answer
- 0 vote147 views1 answer
- 1 vote158 views1 answer
- 1 vote211 views2 answers
- 0 vote134 views1 answer