Data frames shrub volume data frame (solution)

Exercise
Output solution
Rows: 10 Columns: 4
── Column specification ────────────────────────────────────────────────────────
Delimiter: ","
chr (1): shrubID
dbl (3): length, width, height

ℹ Use `spec()` to retrieve the full column specification for this data.
ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.
 [1] 2.2 2.1 2.7 3.0 3.1 2.5 1.9 1.1 3.5 2.9
 [1] 27.456 35.112  8.910 20.250 38.440 21.000 15.390  1.265 52.500 25.056
# A tibble: 10 × 2
   shrubID height
   <chr>    <dbl>
 1 a1         9.6
 2 a2         7.6
 3 b1         2.2
 4 b2         1.5
 5 c1         4  
 6 c2         3  
 7 d1         4.5
 8 d2         2.3
 9 e1         7.5
10 e2         3.2
# A tibble: 1 × 4
  shrubID length width height
  <chr>    <dbl> <dbl>  <dbl>
1 a2         2.1   2.2    7.6
# A tibble: 5 × 4
  shrubID length width height
  <chr>    <dbl> <dbl>  <dbl>
1 a1         2.2   1.3    9.6
2 a2         2.1   2.2    7.6
3 b1         2.7   1.5    2.2
4 b2         3     4.5    1.5
5 c1         3.1   3.1    4  
# A tibble: 1 × 1
  length
   <dbl>
1    2.1