Dplyr-fix-the-code-R.txt

# A tibble: 4 × 2
   site mean_volume
  <int>       <dbl>
1     1    23.82600
2     2    26.56333
3     3    23.05167
4     4    57.09600

# A tibble: 3 × 2
  experiment mean_volume
       <int>       <dbl>
1          1    22.03800
2          2    53.80425
3          3    22.06050