count
| The number of seedlings in the quadrant. |
row
| The row number of the quadrant. |
col
| The quadrant number within the row. |
fir
data frame has 50 rows and 3 columns.
The number of balsam-fir seedlings in each quadrant of a grid of 50 five foot square quadrants were counted. The grid consisted of 5 rows of 10 quadrants in each row.